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• Infragistics UltraWebTab

  - by user354089

  Im using Infragistcs UltraWebTab. The code is shown below ` <div class="tab-content"> <asp:Panel ID="PnlGeneral" runat="server"> <table width="100%" border="0" cellspacing="0" cellpadding="0" class="tab-list"> <tr> <td style="border-bottom-color: White"> <asp:Label ID="LblErrors" runat="server" CssClass="ErrorMessage1"></asp:Label> <asp:Label ID="LblSuccessMsg" runat="server" CssClass="SuccessMessage1"></asp:Label> </td> </tr> <tr> <td> <table cellpadding="0" cellspacing="0" width="100%" border="0" class="tab-list"> <tr> <th width="205" class="FormLabel1"> Campaign Name <span class="ErrorMessage">*</span> </th> <td width="80%"> <asp:TextBox ID="TxtCampaignName" runat="server" CssClass="TextBox1"></asp:TextBox> </td> </tr> <tr> <th width="205" class="FormLabel1"> CRM Name <span class="ErrorMessage">*</span> </th> <td width="80%"> <asp:TextBox ID="TxtCRMName" runat="server" CssClass="TextBox1"></asp:TextBox> </td> </tr> <tr> <th class="FormLabel1"> Campaign Type <span class="ErrorMessage">*</span> </th> <td> <asp:DropDownList ID="DDLCampaignType" runat="server" CssClass="TextBox1" AutoPostBack="true" Width="117px" OnSelectedIndexChanged="DDLCampaignType_SelectedIndexChanged"> </asp:DropDownList> </td> </tr> <tr visible="false" id="trCompanyRow" runat="server"> <th class="FormLabel1"> Company <span class="ErrorMessage">*</span> </th> <td> <table cellpadding="0" cellspacing="0" border="0" width="100%"> <tr> <td class="style2" style="border-bottom-color: White"> <asp:DropDownList ID="DDLCompany" runat="server" CssClass="TextBox1" Width="117px" OnSelectedIndexChanged="DDLCompany_SelectedIndexChanged"> </asp:DropDownList> </td> <td class="style3" style="border-bottom-color: White"> <asp:LinkButton ID="btnlnknewCompany" runat="server" Style="font-size: 100%;" Text="Add New" OnClick="btnlnknewCompany_Click"></asp:LinkButton> </td> <td style="border-bottom-color: White"> <table cellpadding="0" cellspacing="0" border="0" width="100%" id="tdNewComapny" visible="false" runat="server"> <tr> <td class="style4" style="border-bottom-color: White"> <asp:TextBox ID="txtCompanyName" runat="server"></asp:TextBox> </td> <td style="border-bottom-color: White"> <asp:Button ID="btnCompanyAdd" runat="server" CssClass="btn1" Height="20px" Text="Add" Width="25%" OnClick="btnCompanyAdd_Click" /> </td> </tr> </table> </td> </tr> </table> </td> </tr> <tr id="trBannerImage" runat="server" visible="false"> <th class="FormLabel1"> Banner Image <span class="ErrorMessage">*</span> </th> <td> <asp:FileUpload ID="FileUploadBannerImage" runat="server" ToolTip="Add images for banner" /> </td> </tr> <tr> <th class="FormLabel1"> Start Date <span class="ErrorMessage">*</span> </th> <td> <asp:TextBox ID="TxtStartDate" runat="server" CssClass="TextBox1"></asp:TextBox><rjs:PopCalendar ID="CalStartDate" runat="server" Control="TxtStartDate" Format="dd mm yyyy" ShowErrorMessage="false" /> &nbsp;dd-mm-yyyy </td> </tr> <tr> <th class="FormLabel1"> End Date <span class="ErrorMessage">*</span> </th> <td> <asp:TextBox ID="TxtEndDate" runat="server" CssClass="TextBox1"></asp:TextBox><rjs:PopCalendar ID="CalEndDate" runat="server" Control="TxtEndDate" Format="dd mm yyyy" ShowErrorMessage="false" /> &nbsp;dd-mm-yyyy </td> </tr> <tr> <th class="FormLabel1"> Enabled? </th> <td> <asp:CheckBox ID="ChkEnabled" runat="server" /> </td> </tr> <tr style="border-bottom-color: White" id="tblVerificationFields" visible="false" runat="server"> <th style="border-bottom-color: White"> Company's Verification Fields </th> <td style="border-bottom-color: White"> <table border="0" cellspacing="0" cellpadding="0" class="tab-form" width="100%"> <tr> <td colspan="3" align="center"> <br /> <p> <label style="font-size: 14px; font-weight: bold; text-align: center;"> Select from existing verification fields below</label></p> </td> </tr> <tr> <td colspan="2"> <asp:Repeater ID="RptrVeriFieldsParamType" runat="server"> <HeaderTemplate> <table border="0" cellpadding="0" cellspacing="0" class="tab-grid" style="border: 0px"> <tr> <th> </th> <th> Field Name </th> <th> Type </th> <th> </th> </tr> </HeaderTemplate> <ItemTemplate> <tr> <td style="border-bottom-color: White"> <asp:CheckBox ID="RptrChkVeriFields" runat="server" /> </td> <td style="border-bottom-color: White"> <asp:Label ID="RptrFieldName" runat="server" Text='<%# Eval("FieldName") %>'> </asp:Label> </td> <td style="border-bottom-color: White"> <asp:Label ID="RptrParamterTypeName" runat="server" Text='<%# Eval("PARAMETERTYPENAME") %>'> </asp:Label> </td> <td> <asp:Label ID="RptrHdnFieldId" runat="server" Text='<%# Eval("FIELDID") %>' Visible="false"></asp:Label> </td> </tr> </ItemTemplate> <FooterTemplate> </table> </FooterTemplate> </asp:Repeater> </td> </tr> <tr> <td style="border-bottom-color: White"> </td> </tr> <tr> <td> <table border="0" cellpadding="0" cellspacing="0" width="100%" runat="server"> <tr> <td colspan="6" style="border-bottom-color: White" align="center"> <br /> <p> <label style="font-size: 14px; font-weight: bold; text-align: center; width: 100%;"> Or Add New verification field</label> </p> </td> </tr> <tr id="trVerifcationFields" runat="server" visible="false"> <th style="border-bottom-color: White" width="110px"> <strong>Verification Name</strong> </th> <td style="border-bottom-color: White" width="50px"> <asp:TextBox ID="TxtVeriField" runat="server"> </asp:TextBox> </td> <th style="border-bottom-color: White" width="100px"> <strong>Parameter Type</strong> </th> <td style="border-bottom-color: White" width="100px"> <asp:DropDownList ID="DDLParameterType" runat="server"> </asp:DropDownList> </td> <th> </th> <td align="left" style="border-bottom-color: White"> <asp:Button ID="BtnAddVeriField" runat="server" CssClass="btn1" Height="20px" Text="Add" OnClick="BtnAddVeriField_Click" Width="75%" /> </td> </tr> </table> </td> </tr> </table> </td> </tr> </table> </td> </tr> <tr> <td> <table cellpadding="0" cellspacing="0" width="100%" border="0" class="tab-list"> <tr align="right"> <td> </td> <td align="right" class="tab-list"> <asp:Button runat="server" ID="Next" Visible="true" Text="Next >" CssClass="btn" /> </td> </tr> </table> </td> </tr> </table> </asp:Panel> </div> </ContentTemplate> </igtab:Tab> <igtab:Tab Text="CRM Deals (Step-2)" Key="Tab2"> <ContentTemplate> <div style="clear: both"> </div> <div class="tab-content"> <asp:Panel ID="PnlCRMDeals" runat="server" ScrollBars="Vertical" Height="500px"> <table width="100%" border="0" cellspacing="0" cellpadding="0" class="tab-list"> <tr> <td> <asp:GridView ID="GridDeals" AutoGenerateColumns="False" runat="server" BorderStyle="none" BorderWidth="0" CellPadding="0" CellSpacing="0" GridLines="None" ShowFooter="false" HorizontalAlign="Left" CssClass="tab-grid" Width="100%"> <HeaderStyle CssClass="header" HorizontalAlign="Center" /> <PagerStyle CssClass="pager" /> <AlternatingRowStyle CssClass="odd" /> <Columns> <asp:TemplateField> <ItemStyle Width="5%" /> <ItemTemplate> <asp:CheckBox ID="ChkDeals" runat="server" Visible="true" /> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="Deal Name"> <ItemStyle Width="25%" /> <ItemTemplate> <asp:Label ID="DealName" runat="server" Text='<%# Eval("DealName") %>' /> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="Name in CRM"> <ItemTemplate> <asp:Label ID="CRMDealName" runat="server" Text='<%# Eval("CRM_NAME") %>' /> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="Deal Code"> <ItemTemplate> <asp:Label ID="PartNum" runat="server" Text='<%# Eval("PARTNUM") %>' /> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> </td> </tr> </table> </asp:Panel> </div> </ContentTemplate> </igtab:Tab> ` The problem im facing is after the "BtnAddVeriField" add button is clicked the Panel for the next tab gets displayed below the first tab's Panel. Furthermore, that Add button is not displayed as well.

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• ASP.NET: Using conditionals in data binding expressions

  - by DigiMortal

  ASP.NET 2.0 has no support for using conditionals in data binding expressions but it will change in ASP.NET 4.0. In this posting I will show you how to implement Iif() function for ASP.NET 2.0 and how ASP.NET 4.0 solves this problem smoothly without any code. Problem Let’s say we have simple repeater. <asp:Repeater runat="server" ID="itemsList">     <HeaderTemplate>         <table border="1" cellspacing="0" cellpadding="5">     </HeaderTemplate>     <ItemTemplate>         <tr>         <td align="right"><%# Container.ItemIndex + 1 %>.</td>         <td><%# Eval("Title") %></td>         </tr>     </ItemTemplate>     <FooterTemplate>         </table>     </FooterTemplate> </asp:Repeater> Repeater is bound to data when form loads. protected void Page_Load(object sender, EventArgs e) {     var items = new[] {                     new { Id = 1, Title = "Headline 1" },                     new { Id = 2, Title = "Headline 2" },                     new { Id = 2, Title = "Headline 3" },                     new { Id = 2, Title = "Headline 4" },                     new { Id = 2, Title = "Headline 5" }                 };     itemsList.DataSource = items;     itemsList.DataBind(); } We need to format even and odd rows differently. Let’s say we want even rows to be with whitesmoke background and odd rows with white background. Just like shown on screenshot on right. Our first thought is to use some simple expression to avoid writing custom methods. We cannot use construct like this <%# Container.ItemIndex % 2==0 ? "white" : "whitesmoke"  %> because all we get are template compilation errors. ASP.NET 2.0: Iif() method For ASP.NET 2.0 pages and controls we can create Iif() method and call it from our templates. This is out Iif() method. protected object Iif(bool condition, object trueResult, object falseResult) {     return condition ? trueResult : falseResult; } And here you can see how to use it. <asp:Repeater runat="server" ID="itemsList">   <HeaderTemplate>     <table border="1" cellspacing="0" cellpadding="5">     </HeaderTemplate>   <ItemTemplate>     <tr style='background-color:'       <%# Iif(Container.ItemIndex % 2==0 ? "white" : "whitesmoke") %>'>       <td align="right">         <%# Container.ItemIndex + 1 %>.</td>       <td>         <%# Eval("Title") %></td>     </tr>   </ItemTemplate>   <FooterTemplate>     </table>   </FooterTemplate> </asp:Repeater> This method does not care about types because it works with all objects (and value-types). I had to define this method in code-behind file of my user control because using this method as extension method made it undetectable for ASP.NET template engine. ASP.NET 4.0: Conditionals are supported In ASP.NET 4.0 we will write … hmm … we will write nothing special. Here is solution. <asp:Repeater runat="server" ID="itemsList">   <HeaderTemplate>     <table border="1" cellspacing="0" cellpadding="5">     </HeaderTemplate>   <ItemTemplate>     <tr style='background-color:'       <%# Container.ItemIndex % 2==0 ? "white" : "whitesmoke" %>'>       <td align="right">         <%# Container.ItemIndex + 1 %>.</td>       <td>         <%# Eval("Title") %></td>     </tr>   </ItemTemplate>   <FooterTemplate>     </table>   </FooterTemplate> </asp:Repeater> Yes, it works well. :)

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• Hidden Field asp.net

  - by user329419

  I want to hide columns in asp.net in GridView then access the values in GridViewSelectIndexChanged using vb.net. I am using hidden fields in the GridView. When I try to access gives me an error object reference not set to an instance here is the code <asp:GridView ID="GridView1" runat="server" OnSorting="GridView1_OnSorting" AllowPaging="True" AllowSorting="True" AutoGenerateColumns="False" BorderStyle="Outset" CellPadding="4" DataSourceID="odsA02_Tracking" ForeColor="#333333" GridLines="Vertical" Style="border-right: #0000ff thin solid; table-layout: auto; border-top: #0000ff thin solid; font-size: x-small; border-left: #0000ff thin solid; border-bottom: #0000ff thin solid; font-family: Arial; border-collapse: separate" Font-Size="Small" PageSize="30"> <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <RowStyle BackColor="#EFF3FB" /> <EditRowStyle BackColor="#2461BF" /> <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" /> <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" /> <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <AlternatingRowStyle BackColor="White" /> <Columns> <asp:CommandField ShowSelectButton="True" /> <asp:boundfield datafield="Since" HeaderText="Submit Date" ReadOnly=true SortExpression="Since" /> <asp:BoundField DataField="Started_By" HeaderText="Submitted By" SortExpression="Started_By" /> <asp:BoundField DataField="Client_FullName" HeaderText="Client Name" ReadOnly="True" SortExpression="Client_FullName" /> <asp:BoundField DataField="Product_Desc" HeaderText="Product" ReadOnly="True" SortExpression="Product_Desc" /> <asp:BoundField DataField="Branch_List" HeaderText="Branch" ReadOnly="True" SortExpression="Branch_List" /> <asp:BoundField DataField="Event_AssignedID" HeaderText="Assigned To" ReadOnly="True" SortExpression="Event_AssignedID" /> <asp:BoundField DataField="DaysElapsed" HeaderText="Days Open" ReadOnly="True" SortExpression="DaysElapsed" /> <asp:BoundField DataField="Status" HeaderText="Status" SortExpression="Status" /> <asp:TemplateField HeaderText=Instance_ID > <ItemTemplate> <asp:HiddenField ID=lblInstanceID Value='<%#Eval("Instance_ID") %>' runat=server> </asp:HiddenField> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText=Seq_ID> <ItemTemplate> <asp:HiddenField ID=lblSeqID Value='<%#Eval("Seq_ID") %>' runat=server/> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText=Form_Code> <ItemTemplate> <asp:HiddenField ID=lblFormCode Value='<%#Eval("Form_Code") %>' runat=server/> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> Protected Sub GridView1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.SelectedIndexChanged Dim Instance_ID As String Dim Seq_ID As String Dim Form_Code As String Dim PARMS As String Dim DestinationURL As String Dim DestinationParms As String Dim instanceID As String = CType(GridView1.FindControl("lblInstanceID"), HiddenField).Value End sub

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• When to draw/layout child controls in UserControl

  - by Ted Elliott

  I have a list-type UserControl (like a ListBox). The items inside the control are another complex UserControl containing a few other controls (ComboBox, TextBox, etc). I'm wondering what the preferred or best method would be to override to draw/layout the child controls. I basically want to trigger this method any time the list changes. I originally had a RedrawItems method that I just called whenever I needed to redraw which added or removed Controls from the Controls collection. But it was getting triggered too early in the lifecycle of the code from some of the designer code. Now I've switched to overriding OnLayout and doing my stuff there. I call PerformLayout when I want to trigger a redraw, such as when the DataSource property changes or when it fires a changed event. Is OnLayout the best place for this? Here is the code: [ComplexBindingProperties("DataSource")] public partial class CustomList : UserControl { private object _dataSource; private CustomListItem _newRow; public CustomList() { InitializeComponent(); } protected override void OnCreateControl() { base.OnCreateControl(); _newRow = new CustomListItem(); Controls.Add(_newRow); } public object DataSource { get { return _dataSource; } set { bool register = _dataSource != value; if (_dataSource != null && _dataSource != value) { UnregisterDataSource(_dataSource); } _dataSource = value; if (_dataSource != null) RegisterDataSource(_dataSource); PerformLayout(); } } public CustomListItem ItemTemplate { get { return _newRow; } } protected override void OnLayout(LayoutEventArgs e) { base.OnLayout(e); int ctrlCount = this.Controls.AsEnumerable().OfType<CustomListItem>().Count(); ctrlCount--; // subtract 1 for the add row var ds = this.DataSource as System.Collections.IList; int itemCount = ds == null? 0 : ds.Count; int maxCount = Math.Max(ctrlCount,itemCount); if (maxCount == 0) return; this.SuspendLayout(); // temporarily remove the template Controls.RemoveAt(Controls.Count-1); for (int i = 0; i < maxCount; i++) { CustomListItem item; if (i >= itemCount) { Controls.RemoveAt(i); } else { if (i >= ctrlCount) { item = ItemTemplate.Copy(); this.Controls.Add(item); item.Location = new Point(0, item.Height * i); item.TabIndex = i + 1; item.ViewMode = true; } else { item = (CustomListItem) Controls[i]; } item.Data = ds[i]; } } this.Controls.Add(ItemTemplate); ItemTemplate.Location = new Point(0, ItemTemplate.Height * maxCount); ItemTemplate.TabIndex = maxCount + 1; this.ResumeLayout(true); } private void RegisterDataSource(object dataSource) { IBindingList ds = dataSource as IBindingList; if (ds != null) { ds.ListChanged += new ListChangedEventHandler(DataSource_ListChanged); } } void DataSource_ListChanged(object sender, ListChangedEventArgs e) { switch (e.ListChangedType) { case ListChangedType.ItemAdded: PerformLayout(); break; case ListChangedType.ItemChanged: break; case ListChangedType.ItemDeleted: PerformLayout(); break; case ListChangedType.ItemMoved: PerformLayout(); break; case ListChangedType.Reset: PerformLayout(); break; default: break; } } private void UnregisterDataSource(object dataSource) { IBindingList ds = dataSource as IBindingList; if (ds != null) { ds.ListChanged -= new ListChangedEventHandler(DataSource_ListChanged); } } }

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• how to call javascript function

  - by Manu Jaggi

  when i click on the textbox which is inside the item template of gridview then onclick event should fire and then call the javascript function but my problem is that there no onclick event option in item template's textbox plz hel p me. <asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" OnRowCommand="GridView2_RowCommand" Width="100%" GridLines="None" style="font-family: Tahoma; font-size: xx-small" Font-Names="Tahoma" Font-Size="XX-Small"> <Columns> <asp:BoundField HeaderText="Status" DataField="Status" HeaderStyle-HorizontalAlign="Left" ItemStyle-HorizontalAlign="Left"> <HeaderStyle HorizontalAlign="Left"></HeaderStyle> <ItemStyle HorizontalAlign="Left"></ItemStyle> </asp:BoundField> <asp:TemplateField HeaderText="Order" > <ItemTemplate> <asp:TextBox ID="TextBox1" Text='<%#Eval("ArticleOrder")%>' ReadOnly="true" runat="server" Height="18px" Width="16px" onclick="hello();" > </asp:TextBox> </ItemTemplate> <HeaderStyle HorizontalAlign="Left" /> </asp:TemplateField> <%--<asp:BoundField HeaderText="Order" DataField="ArticleOrder" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center"> <HeaderStyle HorizontalAlign="Center"></HeaderStyle> <ItemStyle HorizontalAlign="Center"></ItemStyle> </asp:BoundField>--%> <asp:BoundField HeaderText="Title" DataField="ArticleTitle" HeaderStyle-HorizontalAlign="Left" ItemStyle-HorizontalAlign="Left"> <HeaderStyle HorizontalAlign="Left"></HeaderStyle> <ItemStyle HorizontalAlign="Left"></ItemStyle> </asp:BoundField> <asp:TemplateField HeaderText="Edit" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center"> <ItemTemplate> <asp:ImageButton ID="ImageButtonedt" runat="server" ImageUrl="~/images/newspaper_go.png" CommandName="edt" CommandArgument='<%#Eval("ArticleID")%>' /> </ItemTemplate> <HeaderStyle HorizontalAlign="Center"></HeaderStyle> <ItemStyle HorizontalAlign="Center"></ItemStyle> </asp:TemplateField> <asp:TemplateField HeaderText="Delete" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center"> <ItemTemplate> <asp:ImageButton ID="ImageButtondel" runat="server" ImageUrl="~/images/newspaper_delete.png" CommandName="del" OnClientClick='return confirm("Are you sure you want to delete ?");' CommandArgument='<%#Eval("ArticleID")%>' /> </ItemTemplate> <HeaderStyle HorizontalAlign="Center"></HeaderStyle> <ItemStyle HorizontalAlign="Center"></ItemStyle> </asp:TemplateField> </Columns> </asp:GridView> javascript function: hello() { var divName = document.getElementById('div1'); var divFade = document.getElementById('fade'); divName.style.display = 'block'; divFade.style.display = 'block'; }

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• TextBox, Button and ListBox in a ListBox

  - by Emil C

  I have a listbox with a bunch of contols in each list item. <ListBox x:Name="projectList" IsSynchronizedWithCurrentItem="True"> <ListBox.ItemTemplate> <DataTemplate> <StackPanel> <TextBlock Text="{Binding Name}" /> <ListBox x:Name="taskList" ItemsSource="{Binding Tasks}"> <ListBox.ItemTemplate> <DataTemplate> <StackPanel> <TextBlock Text="{Binding Name}" /> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> <TextBox x:Name="textBoxTask" /> <Button x:Name="ButtonAddNewTask" Content="Test" CommandParameter="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=DataContext}" Click="ButtonAddNewTask_Click" /> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> When I click on the button in the listbox i want to add a new item to the listbox within the listbox. I've come this far. So my question is how do I get hold of the textbox and how do I update the listbox? Here is my click event private void ButtonAddNewTask_Click(object sender, RoutedEventArgs e) { Button button = (Button)sender; Project proj = button.DataContext as Project; if(proj.Tasks == null) proj.Tasks = new List<Task>(); proj.Tasks.Add(new Task("Added Task")); } Thanx

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• How to Set focus on the 1st Item of Nested Listbox in Silverlight?

  - by Subhen

  Hi , I have a List box which contains another lisbox Inside it. <ListBox x:Name="listBoxParent"> <ListBox.ItemTemplate> <DataTemplate> <Image x:Name="thumbNailImagePath" Source="/this.jpg" Style="{StaticResource ThumbNailPreview}" /> <TextBlock Margin="5" Text="{Binding Smthing}" Style="{StaticResource TitleBlock_Artist}" /> </StackPanel> <StackPanel Style="{StaticResource someStyle}" > <ListBox x:Name="listBoxChild" Loaded="listBoxChild_Loaded" BorderThickness="0"> <ListBox.ItemTemplate> <DataTemplate> <StackPanel> <TextBlock Margin="5" Text="{Binding myText}" Width="300"/> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> <ListBox.ItemsPanel> </ListBox.ItemsPanel> </ListBox> Now while I try to focus to the child List Box : public void listBoxChild_Loaded(object sender, RoutedEventArgs e) { var myListBox = (ListBox)sender; myListBox .ItemsSource = PageVariables.eOUTData;//listboxSongsData; myListBox .SelectedIndex = 0; myListBox .Focus(); } Thanks, Subhen

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• gridview whith dropdown extender

  - by Wafaa

  hello, I have gridview with TextBox Template field and DropDownExtender so when user click on the textbox another gridview will appear tha contain List of items and button to add the item to the first gridview. my qusetion is: how can i in the event of button click(which is in the extender gridview) to get the row index of the first gridview(which contain the textbox)? thanks <cc1:DropDownExtender ID="uxItemExtender" runat="server" DropDownControlID="uxItemContainer" TargetControlID="uxItems"></cc1:DropDownExtender> <asp:Panel BackColor="AliceBlue" ID="uxItemContainer" runat="server" ScrollBars="Both" Height="400" Width="200"> <asp:GridView ID="uxItemsView" runat="server" Font-Size="Small" AutoGenerateColumns="false" OnRowDataBound="uxItemsView_RowDataBound"> <Columns> <asp:TemplateField HeaderText="Item Details"> <ItemTemplate> <asp:Label ID="uxItemNameLbl" Text="Name :" runat="server"></asp:Label> <asp:Label ID="uxItemName" runat="server"></asp:Label><br /> <asp:Label ID="uxItemDescriptionLbl" Text="Description :" runat="server"></asp:Label> <asp:Label ID="uxItemDescription" runat="server"></asp:Label><br /> <asp:Label ID="uxItemPriceLbl" Text="Price :" runat="server"></asp:Label> <asp:Label ID="uxItemPrice" runat="server"></asp:Label><br /> <asp:Button ID="uxSelectItem" runat="server" Text="Add Item" OnClick="uxSelectItem_Click" /><br /> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="Picture"> <ItemTemplate> <asp:Image ID="uxItemImage" runat="server" Width="45" Height="50" /> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> </asp:Panel> </asp:TemplateField>

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• Select All CheckBoxes in GridView ASP.NET using JQuery

  - by dexter

  I have checkBoxes in my Gridview templete columns called "Category A" and "Category B". I want Select-All functionality, i.e. when the user checks the Select-All check Box in category A column, all the checkboxes must get checked under that column. Same for Category B. I am trying with the code below. The problem with my code is, it selects all the check boxes in the entire gridview, "Category A" as well as "Category B"s checkboxes. But, I want only checkboxes selected under the same column. function SelectAllCheckboxesA(chk) { $('#<%=gvSurveys.ClientID %>').find("input:checkbox").each(function() { if (this != chk) { if ($(this).hasClass('CatA') != false) { this.checked = chk.checked; } } else { alert($(this)); } }); } <asp:GridView ID="gvSurveys" runat="server" AutoGenerateColumns="false" AllowSorting="True" Width="1500px"> <Columns> <asp:TemplateField> <HeaderTemplate>Category A <asp:CheckBox ID="chkSelectAllCatA" runat="server" Visible="false" onclick="javascript:SelectAllCheckboxesA(this);" CssClass="SACatA" /> </HeaderTemplate> <ItemTemplate> <asp:CheckBox ID="chkCatA" runat="server" Enabled="false" CssClass="CatA" /> </ItemTemplate> </asp:TemplateField> <asp:TemplateField> <HeaderTemplate> Category B <asp:CheckBox ID="chkSelectAllCatB" runat="server" Visible="false" CssClass="CatB" onclick="javascript:SelectAllCheckboxesB(this);" /> </HeaderTemplate> <ItemTemplate> <asp:CheckBox ID="chkCatB" runat="server" Enabled="false" /> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView>

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• Dynamic Column that contains a Repeater

  - by djbyter

  How would I go about doing this programatically? I can do this just fine declaratively, using a template column and then using something like this: ... <TemplateGridColumn> <ItemTemplate> <div> <asp:Image ID="groupImg" CssClass="groupImg" runat="server"/> <asp:Repeater ID="groupItemRpt" runat="server"> <HeaderTemplate> <ul class="groupItemList"> </HeaderTemplate> <ItemTemplate> <li> <asp:Image ID="itemImg" runat="server" /> <asp:HiddenField ID="itemValue" runat="server" /> </li> </ItemTemplate> <FooterTemplate> </ul> </FooterTemplate> </asp:Repeater> </div> </ItemTemplate> </TemplateGridColumn> ... I am dynamically creating this grid based on the data, so I'm already added columns with one set of controls. But now I need to figure out how to show multiple images, which expand/contract if the groupImg image control is clicked (i just toggle the ul) .. Can anyone point me in the right direction? Thanks.

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• Silverlight Toolkit ListBoxDragTarget Only One Way

  - by Tom Allen

  I've got a Silverlight 3 app that has two ListBoxes that I need to be able to drag items between. I've got the toolkit control working so that I can drag from ListBox lbA to ListBox lbB but i then can't drag the item from lbB back to lbA. <toolkit:ListBoxDragDropTarget mswindows:DragDrop.AllowDrop="True"> <ListBox x:Name="lbA" Style="{StaticResource ListBoxStyle}"> <ListBox.ItemTemplate> <DataTemplate> <TextBlock Text="{Binding DisplayMember}"/> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </toolkit:ListBoxDragDropTarget> <toolkit:ListBoxDragDropTarget mswindows:DragDrop.AllowDrop="True"> <ListBox x:Name="lbB" Style="{StaticResource ListBoxStyle}" Width="350"> <ListBox.ItemTemplate> <DataTemplate> <TextBlock Text="{Binding DisplayMember}"/> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </toolkit:ListBoxDragDropTarget> I'm binding lbA to an ObservableCollection of MyObject items which is a parent class for objects MyObjectA and MyObjectB (and there is a mix of ChildObjectA and ChildObjectB items). Is the one way behaviour I'm seeing due to binding to a collection MyObjects or something else i'm missing?

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• how to make a column width size fixed in datagridview asp?

  - by user306671

  Hi, i have this column in a datagridview on aspx page <asp:TemplateField HeaderText="Observacion"> <ItemTemplate> <asp:Label ID="lblOrderID" runat="server" Text='<%# Eval("Observacion") %>'></asp:Label> </ItemTemplate> <ItemStyle Width="200px" Wrap="False" /> </asp:TemplateField> I have set up the itemstyle with and wrap to false, but anyways the width columns grows the the data is too long. i just want to change the height of the column not the width. Here us the complete code of the datagridview <asp:GridView ID="GridView1" runat="server" AutoGenerateDeleteButton="True" CellPadding="4" EnableModelValidation="True" ForeColor="#333333" GridLines="None" AutoGenerateColumns="False"> <columns> <asp:boundfield datafield="ID_OBSERVACION" visible="False" /> <asp:boundfield datafield="AUTOR" headertext="Autor" /> <asp:boundfield datafield="FECHA" headertext="Fecha" /> <asp:TemplateField HeaderText="Observacion"> <ItemTemplate> <asp:Label ID="lblOrderID" runat="server" Text='<%# Eval("Observacion") %>'></asp:Label> </ItemTemplate> <ItemStyle Width="200px" Wrap="False" /> </asp:TemplateField> </columns> <AlternatingRowStyle BackColor="White" ForeColor="#284775" Wrap="False" /> <EditRowStyle BackColor="#999999" /> <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" /> <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" /> <RowStyle BackColor="#F7F6F3" ForeColor="#333333" Wrap="False" /> <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" /> </asp:GridView>

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• GridView on the select of row

  - by user329419

  I need to hide columns in GridView then access the values of these columns in GridViewSelectedIndex using vb.net When I set visible=false for Bound colums i cannot access the values <asp:TemplateField Visible=False> <ItemTemplate> <asp:HiddenField ID=hdnSeqID Value='<%#Eval("Seq_ID") %>' runat=server/> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="FormCode" Visible=false> <ItemTemplate> <asp:HiddenField ID=hdnFormCode Value='<%#Eval("Form_Code") %>' runat=server/> </ItemTemplate> </asp:TemplateField> </Columns> <RowStyle BackColor="#EFF3FB" /> <EditRowStyle BackColor="#2461BF" /> <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" /> <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" /> <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <AlternatingRowStyle BackColor="White" /> </asp:GridView> Protected Sub GridView1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.SelectedIndexChanged Dim Instance_ID As String Dim Seq_ID As String Dim Form_Code As String Dim PARMS As String Dim DestinationURL As String Dim DestinationParms As String 'fill text box's with values from selected row ' store values from selected row 'Dim instanceID As String = CType(GridView1.SelectedRow.FindControl("hdnInstanceID"), HiddenField).Value Dim seqID As String = CType(GridView1.SelectedRow.FindControl("hdnSeqID"), HiddenField).Value Dim formCode As String = CType(GridView1.SelectedRow.FindControl("hdnFormCode"), HiddenField).Value

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• Acceessing some aggregate functions in a linq datasource in a GridView

  - by Stephen Pellicer

  I am working on a traditional WebForms project. In the project I am trying out some Linq datasources with plans to eventually migrate to an MVC architecture. I am still very new to Linq. I have a GridView using a Linq datasource. The entities I am showing has a to many relationship and I would like to get the maximum value of a column in the many side of the relationship. I can show properties of the base entity in the gridview: <asp:TemplateField HeaderText="Number" SortExpression="tJobBase.tJob.JobNumber"> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Bind("tJobBase.tJob.JobNumber") %>'> </asp:Label> </ItemTemplate> </asp:TemplateField> I can also show the count of the many related property: <asp:TemplateField HeaderText="Number" SortExpression="tJobBase.tJob.tHourlies.Count"> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Bind("tJobBase.tJob.tHourlies.Count") %>'> </asp:Label> </ItemTemplate> </asp:TemplateField> Is there a way to get the max value of a column called WeekEnding in the tHourlies collection to show in the GridView?

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• Creating a three level ASP.NET menu with SiteMap, how do i do it?

  - by user270399

  I want to create a three level menu, I have got a recursive function today that works with three levels. But the thing is how do i output the third lever? Using two repeaters i have managed to get a hold of the first two levels through the ChildNodes property. But that only gives me the second level. What if a want the third level? Example code below. How do i get the third level? :) <asp:Repeater ID="FirstLevel" DataSourceID="SiteMapDataSource" runat="server" EnableViewState="false"> <ItemTemplate> <li class="top"> <a href='/About/<%#Eval("Title")%>.aspx' class="top_link"><span class="down"><%#Eval("Title")%></span><!--[if gte IE 7]><!--></a><!--<![endif]--> <asp:Repeater runat="server" ID="SecondLevel" DataSource='<%#((SiteMapNode)Container.DataItem).ChildNodes%>'> <HeaderTemplate><!--[if lte IE 6]><table><tr><td><![endif]--><ul class="sub"></HeaderTemplate> <ItemTemplate> <li> <a href='<%#((string)Eval("Url")).Replace("~", "")%>' style="text-align: left;"><%#Eval("Title")%></a> Third repeater here? </li> </ItemTemplate> <FooterTemplate></ul><!--[if lte IE 6]></td></tr></table></a><![endif]--></FooterTemplate> </asp:Repeater> </li> </ItemTemplate> </asp:Repeater>

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• How do I get 2-way data binding to work for nested asp.net Repeater controls

  - by jimblanchard

  I have the following (trimmed) markup: <asp:Repeater ID="CostCategoryRepeater" runat="server"> <ItemTemplate> <div class="costCategory"> <asp:Repeater ID="CostRepeater" runat="server" DataSource='<%# Eval("Costs")%>'> <ItemTemplate> <tr class="oddCostRows"> <td class="costItemTextRight"><span><%# Eval("Variance", "{0:c0}")%></span></td> <td class="costItemTextRight"><input id="SupplementAmount" class="costEntryRight" type="text" value='<%# Bind("SupplementAmount")%>' runat="server" /></td> </tr> </ItemTemplate> </asp:Repeater> </div> </ItemTemplate> </asp:Repeater> The outer repeater's DataSource is set in the code-beside. I've snipped them, but there are Eval statements that wire up to the properties in the outer Repeater. Anyway, one of the fields in the inner Repeater needs to be a Bind instead of an Eval, as I want to get the values that the user types in. The SupplementAmount input element correctly receives it's value when the page loads, but on the other side, when I inspect the contents of the Costs List when the form posts back, the changes the user made aren't present. Thanks.

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• itearation through gridview

  - by user1405508

  I want to get cell value from gridview,but empty string is returned .I am implemented code in selectedindexchanged event of radiobuttonlist .I iterate through gridview and access cell by code .but problem is stll remaining.I used three itemtemplate ,each has one elemnt so that each element get its own coulmn .aspx <asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="false" > <Columns> <asp:Label ID="Label2" runat="server" Text='<%# Eval("qno") %>'> </asp:Label> </ItemTemplate> </asp:TemplateField> <asp:TemplateField> <ItemTemplate> <asp:Label ID="Label3" runat="server" Text='<%# Eval("description") %>'> </ItemTemplate> </asp:TemplateField> <asp:RadioButtonList ID="RadioButtonList1" RepeatDirection="Horizontal" runat="server" OnSelectedIndexChanged="changed" AutoPostBack="true" > <asp:ListItem Value="agree" Selected="True" > </asp:ListItem> <asp:ListItem Value="disagree"> </asp:ListItem> <asp:ListItem Value="strongagree"> </asp:ListItem> <asp:ListItem Value="strondisagree"> </asp:ListItem> </asp:RadioButtonList> </Columns> </asp:GridView> <asp:Label ID="Labe11" runat="server" ></asp:Label> Code behind: public void changed(object sender, EventArgs e) { for(int i=0;i<GridView2.Rows.Count;i++) { string labtext; RadioButtonList list = GridView2.Rows[i].Cells[2].FindControl("RadioButtonList1") as RadioButtonList; labtext= GridView2.Rows[i].Cells[0].Text; Label1.Text = labtext; } }

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• Passing in extra parameters in a URL

  - by Scott Atkinson

  I have the below column on my table what gets binded on pageload, the parameters in there work fine but i need to add an additional parameter which is the fullname which is the next column along but im having trouble figuring our the syntax, here is my ASP <asp:TemplateField HeaderText="ID"> <ItemTemplate> <asp:HyperLink ID="hyperLeadID" runat="server" NavigateUrl='<%#Eval("ID","/documents/Q-Sheet.aspx?LeadID={0}&isHappyCallReferral=yes&isHappyName={1}") %>' Text='<%#Eval("ID")%>'></asp:HyperLink> </ItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="Referral Name"> <ItemTemplate> <asp:Label ID="lblRefName" CssClass="gvItem" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Name") %>'></asp:Label> </ItemTemplate> </asp:TemplateField> As you can see at the end of ID column i have added isHappyName={1} which i assumed it would select the next column along as it starts at 0 but it keeps throwing an error which is "Index (zero based) must be greater than or equal to zero and less than the size of the argument list." Can someone help me to pass the usersname through the URL Thanks

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• custom *arbitrary* TemplateField definitions

  - by end-user

  I'm building a GridView on the fly, and I'd like to pre-define the TemplateFields to be included ondemand. So, what I'd like to do is have a declarative file that defines how the different templates look for a specific column. Like: <asp:TemplateField> <HeaderTemplate> this is a text column </HeaderTemplate> <ItemTemplate> data goes here </ItemTemplate> <EditItemTemplate> <asp:TextBox Text="databindhere" /> </EditItemTemplate> </asp:TemplateField> <asp:TemplateField> <HeaderTemplate> this is a bool column </HeaderTemplate> <ItemTemplate> if(true) "yes" else "no" </ItemTemplate> <EditItemTemplate> <asp:CheckBox Checked="databindme" /> </EditItemTemplate> </asp:TemplateField> So, if my query had a text and two bool fields, I could push the appropriate TemplateFields in the the Columns property as needed. (I hope I'm making sense here) So, how would I go about creating declarative files for the above definitions? And then, how would I reference those definitions programmatically?

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• ASP ListView - Eval() as formatted number, Bind() as unformatted?

  - by chucknelson

  I have an ASP ListView, and have a very simple requirement to display numbers as formatted w/ a comma (12,123), while they need to bind to the database without formatting (12123). I am using a standard setup - ListView with a datasource attached, using Bind(). I converted from some older code, so I'm not using ASP.NET controls, just form inputs...but I don't think it matters for this: <asp:SqlDataSource ID="MySqlDataSource" runat="server" ConnectionString='<%$ ConnectionStrings:ConnectionString1 %>' SelectCommand="SELECT NUMSTR FROM MY_TABLE WHERE ID = @ID" UpdateCommand= "UPDATE MY_TABLE SET NUMSTR = @NUMSTR WHERE ID = @ID"> </asp:SqlDataSource> <asp:ListView ID="MyListView" runat="server" DataSourceID="MySqlDataSource"> <LayoutTemplate> <div id="itemplaceholder" runat="server"></div> </LayoutTemplate> <ItemTemplate> <input type="text" name="NUMSTR" ID="NUMSTR" runat="server" value='<%#Bind("NUMSTR")%>' /> <asp:Button ID="UpdateButton" runat="server" Text="Update" Commandname="Update" /> </ItemTemplate> </asp:ListView> In the example above, NUMSTR is a number, but stored as a string in a SqlServer 2008 database. I'm also using the ItemTemplate as read and edit templates, to save on duplicate HTML. In the example, I only get the unformatted number. If I convert the field to an integer (via the SELECT) and use a format string like Bind("NUMSTR", "{0:###,###}"), it writes the formatted number to the database, and then fails when it tries to read it again (can't convert with the comma in there). Is there any elegant/simple solution to this? It's so easy to get the two-way binding going, and I would think there has to be a way to easily format things as well... Oh, and I'm trying to avoid the standard ItemTemplate and EditItemTemplate approach, just for sheer amount of markup required for that. Thanks!

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• Expanders inside listbox leaving blank space on collapse

  - by siz

  We have a rather complex UI that is presenting some problems for us. I have a ListBox that contains a set of DataItems. The DataTemplate for each item is an Expander. The header is text, the content of the Expander is a ListBox. The ListBox contains SubDataItems. The DataTemplate for each SubDataItem is an Expander. Here is a simplified XAML in which I reproduce the issue: <ListBox ItemsSource="{Binding Items}"> <ListBox.ItemTemplate> <DataTemplate> <Expander Header="{Binding Header}"> <ListBox ItemsSource="{Binding SubItems}"> <ListBox.ItemTemplate> <DataTemplate> <Expander Header="{Binding SubHeader}"> <Grid Height="40"> <TextBlock Text="{Binding SubText}" /> </Grid> </Expander> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </Expander> </DataTemplate> </ListBox.ItemTemplate> </ListBox> There is a problem with how the layout is produced. If any Expander corresponding to the SubDataItem is expanded, the ListBoxItem containing this ListBox (the Expander.Content in the parent DataTemplate) correctly requests more space. So I can expand all SubDataItems and correctly see my data. However, when I collapse, the space I previously asked to expand, remains blank, instead of being reclaimed by the ListBoxItem. This is a problem because if I have say 10 SubDataItems and happen to expand all of them at the same time and then collapse, there is a significant amount of white space wasting my real estate. How can I force WPF to resize the ListBoxItem to the correct state?

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• How can I use Databound variables in conditional statements within Custom Databound controls?

  - by William Calleja

  I'm developing my custom DataBound Controls that make use of an '<ItemTemplate>' tag and '<%# %>' server tags to generate some data however I need to make a conditional statement within one of my Databound controls as shown below. <custom:DataboundControl runat="server"> <ItemTemplate> <% if(((Dictionary<string, string>)Container.DataItem)["MyVariable"]=="" { %> <!-- Conditional Code Happens Here --> <% } %> </ItemTemplate> </custom:DataboundControl> Right now my code isn't working because the compiler cannot recognize my Container.DataItem variable within a <% %> tag and a <%# %> tag doesn't support conditional statements. What can I use?

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• Creating/Handling events for controls when added during runtime.

  - by AllStar11

  I am using a Repeater which contains a placeholder. The placeholder is bound to my database and each ItemTemplate contains 1-6 radiobuttons depending on what the database returns. What I need to do is somehow keep track of which one of the radiobuttons is checked for each question so I can write the user's answers to the database when they complete the test, any ideas?? <asp:Repeater ID="Repeater1" OnItemDataBound="R1_ItemDataBound" runat="server"> <ItemTemplate> <asp:PlaceHolder ID="phAnswers" runat="server"> </asp:PlaceHolder> </ItemTemplate> </asp:Repeater> Sub R1_ItemDataBound(ByVal Sender As Object, ByVal e As RepeaterItemEventArgs) Dim tempPH As PlaceHolder tempPH = e.Item.FindControl("phAnswers") For x As Integer = 0 To (t_MC.Count - 1) newRadio = New RadioButton newRadio.ID = "Answer" + x.ToString newRadio.GroupName = "Answer" + tempQuestion.ID.ToString newRadio.Text = t_MC(x).Value newRadio.Width = 800 tempPH.Controls.Add(newRadio)

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• How to implement an ItemsControl3D which can use templates of Visual3D?

  - by Christo

  I'm looking for something like a ContainerUIElement3D which supports the ItemsSource property and an ItemTemplate property which I can use within a Viewport3D. My aim is to be able to write something like: <ItemsControl3D ItemsSource="{Binding Path=MyItems}"> <ItemsControl3D.ItemTemplate> <DataTemplate3D> <!-- My template which defines the binding to each item. --> <DataTemplate3D> </ItemsControl3D.ItemTemplate> </ItemsControl3D> I'm looking for tips on how to implement this. The first tricky part is to create a DataTemplate3D which can construct the Visual3D needed to add to the ItemsControl3D. I've been using .NET reflector to browse through the implementation of ItemsControl and DataTemplate, but I soon realised that I don't have a deep enough understanding and enough time to come up with a solution on my own.

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• ASP .NET - What's going on behind an Eval() ?

  - by Amokrane

  Hi, I'm trying to understand how Eval() works for a specific purpose. I'm working on a project I don't really know and I need to read some data and put them in drop down list. These data are already read and are displayed inside an ItemTemplate. I noticed there are read using the Eval() method. Something like: <ItemTemplate> <a href="...=<%# Eval("foo") %>></a> </ItemTemplate> I need to know where Eval is getting these data from in order to discover where I should read them for my drop down list! But I didn't really understand how it works! I know that Eval() evaluates data binding expressions at runtime but where do you think I should take a look at? Thank you

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