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  • Submit Data to a datatable from a View MVC

    - by user54197
    I have a view that I would like to populate data when the next button is clicked. It is 3 Views which will send data on every next button. How do I do this? Below is code I just made up, but should give an idea of what I am looking for. Page 1: <table> <tr> <td><b>Name:</b></td> <td colspan="2"><input id="txtName" type="text" /></td> </tr> </table> <input type="submit" value="Next" /> Page 2: <table> <tr> <td><b>Address:</b></td> <td colspan="2"><input id="txtAddress" type="text" /></td> </tr> </table> <input type="submit" value="Next" /> Page 3: <table> <tr> <td><b>Phone:</b></td> <td colspan="2"><input id="txtPhone" type="text" /></td> </tr> </table> <input type="submit" value="Next" />

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  • Membership.Updateuser not really updating the database.

    - by Shimrod
    Hi everybody, I'm currently working on a membership system for my web application, which is based on forms authentication from the framework. I created some users with the integrated tool, and the login is perfectly working. But now what I want to do is to give administrator the capability to create, modify, delete users. So here is what I've got right now: Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim muc As MembershipUserCollection = Membership.GetAllUsers() ComboBox1.DataSource = muc ComboBox1.DataValueField = "UserName" ComboBox1.DataTextField = "UserName" ComboBox1.DataBind() End Sub Protected Sub ComboBox1_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) Handles ComboBox1.SelectedIndexChanged Dim userName As String = ComboBox1.SelectedValue Dim mu As MembershipUser = Membership.GetUser(userName) Dim userRoles As String() = Roles.GetRolesForUser(userName) tbComments.Text = mu.Comment tbEmail.Text = mu.Email lblUserName.Text = mu.UserName End Sub Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button1.Click Dim userName As String = ComboBox1.SelectedValue Dim mu As MembershipUser = Membership.GetUser(userName) If Not mu Is Nothing Then Try mu.Comment = tbComments.Text Membership.UpdateUser(mu) mu.Email = tbEmail.Text Membership.UpdateUser(mu) mu.IsApproved = True Membership.UpdateUser(mu) mu = Nothing Catch ex As Exception Console.WriteLine(ex.ToString()) End Try End If DetailPanel.Visible = False End Sub The problem is that the record doesn't seem to be updated in the database. I made the multiple calls to Membership.UpdateUser after reading this blog entry, but it didn't change anything. A strange think I noticed while debugging, is that when I enter the Button1_Click method, Membership.GetUser(userName) returns me values from my precedent attempt ! I don't really understand what I'm missing. Does someone have a clue ? Thanks in advance !

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  • How to display an image when aAsynch post back is happening

    - by Nasser Hajloo
    I have an Ajaxable application which has some UpdateProgress for each postBack events. everything is good and working great. I want to display another Indicator in my SiteMapPath bar which shows a post back is happening no matter what. For example when user clicks on a button an UpdateProgress display an Indicator Image in central part of application. I want to display another image ( for every postbacks not only for one) in top of application toolbar. Currently I use a simple Flag out ther and I want to use an indicator instead of that flag when ever a postback happens Thank you in advance

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  • How do I make a table from a List MVC?

    - by user54197
    I have a List(Name, Item, Group#) that I would like to display in a table. How do I display this data with all the names in the 1st row, item in the 2nd, and group number in the 3rd row. Name: | Jon | Tom | Kate | Brian | Item: | Cup | Hat | Door | Store | Group#:| 2 | 8 | 10 | 154 |

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  • Is My DataTable Snippet Written Correctly?

    - by user311509
    public static DataTable GetDataTable(SqlCommand sqlCmd) { DataTable tblMyTable = new DataTable(); DataSet myDataSet = new DataSet(); try { //1. Create connection mSqlConnection = new SqlConnection(mStrConnection); //2. Open connection mSqlConnection.Open(); mSqlCommand = new SqlCommand(); mSqlCommand = sqlCmd; //3. Assign Connection mSqlCommand.Connection = mSqlConnection; //4. Create/Set DataAdapter mSqlDataAdapter = new SqlDataAdapter(); mSqlDataAdapter.SelectCommand = mSqlCommand; //5. Populate DataSet mSqlDataAdapter.Fill(myDataSet, "DataSet"); tblMyTable = myDataSet.Tables[0]; } catch (Exception ex) { } finally { //6. Clear objects if ((mSqlDataAdapter != null)) { mSqlDataAdapter.Dispose(); } if ((mSqlCommand != null)) { mSqlCommand.Dispose(); } if ((mSqlConnection != null)) { mSqlConnection.Close(); mSqlConnection.Dispose(); } } //7. Return DataSet return tblMyTable; } I use the above code to return records from database. The above snippet would run in web application which expected to have around 5000 visitors daily. The records returned reach 20,000 or over. The returned records are viewed (read-only) in paged GridView. Would it be better to use DataReader instead of DataTable? NOTE: two columns in the GridView are hyperlinked.

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  • Can't sent xml file from Web Application on Internet Explorer

    - by nCdy
    Error is something like that : Can't load Items.aspx from 192.168.0.172 And a text is Can't open this web-site. It can't be found. Try later code : HttpContext.Current.Response.Clear(); HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache); HttpContext.Current.Response.Charset = System.Text.Encoding.Unicode.EncodingName; HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.Unicode; HttpContext.Current.Response.BinaryWrite(System.Text.Encoding.Unicode.GetPreamble()); HttpContext.Current.Response.ContentType = "application/vnd.ms-excel"; HttpContext.Current.Response.AddHeader( "content-disposition", string.Format( "attachment; filename={0}",fileName)); .... table.RenderControl(htw); HttpContext.Current.Response.Write(sw.ToString()); HttpContext.Current.Response.End(); Trouble with this file is only for Internet Explorer (works on opera / firefox ... ) And so it works for HTML with no HttpContext.Current.Response.ContentType = "application/vnd.ms-excel"; this string

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  • PHP - error when insert date into MySQL

    - by Michael Mao
    Hello everyone: I've got a typical problem when trying to insert a date into MySQL. The column defined in MySQL is of type DATE. My PHP version is 5.3.0 Apart from this date-related issue, the rest of my code works just fine. And this is my PHP script to do this: $tablename = BOOKS_TABLE; $insert = mysql_query("INSERT INTO $tablename (barcode, book_name, volume_num,". " author, publisher, item_type, buy_price, buy_date) VALUES ". "(". "'" . $barcode . "', ". "'" . $bookname . "', ". "'" . $volumenum . "', ". "'" . $author . "', ". "'" . $publisher . "', ". "'" . $itemtype . "', ". "'" . $buyprice . "', ". "'" . getMySQLDateString($buydate). //"'STR_TO_DATE('".$buydate ."', '%d/%m/%Y'))'". //nothing changes in MySQL ")"); And this is the faulty function : function getMySQLDateString($buydate) //typical buydate : 04/21/2009 { $mysqlDateString = date('Y-m-d H:i:s', $strtotime($buydate)); return $mysqlDateString; } The first commented out line wouldn't do anything, the script is executed with no error, however, there is nothing changed in datebase after this. The current approach will cause a Fatal error saying function name must be a string in this line. Actually I followed this thread on SO, but just cannot pass the date into MySQL... Can anyone help me figure out which part is not right? How would you do it, in this case, to get it right? Sorry about such a journeyman-like question, thanks a lot in advance.

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  • Copy List of Structures to Excel Range

    - by KDP
    Does anyone know how to copy a VB.Net list of structures to an Excel range? It's not hard to do with an array, but I can't get a list of structures to work. Example: Structure MyStruct Dim MyField1 as String Dim MyField2 as Integer End Structure Dim MyList As New List(Of MyStruct) ...populate list of structures... Dim rng as Excel.Range = MySheet.Range("A1","B9") rng.??? = MyList '*** This is where I get stuck. ***

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  • FluentNHibernate: multiple one-to-many relationships between the same entities.

    - by Venemo
    Hi, I'm working on a bug tracking application. There are tickets, and each ticket has an opener user and an assigned user. So, basically, I have two entities, which have two many-to-one relationships with each other. Their schematic is this: User: public class User { public virtual int Id { get; private set; } ... public virtual IList<Ticket> OpenedTickets { get; set; } public virtual IList<Ticket> AssignedTickets { get; set; } } Ticket: public class Ticket { public virtual int Id { get; protected set; } ... [Required] public virtual User OpenerUser { get; set; } public virtual User AssignedUser { get; set; } } I use FluentNHibernate's auto mapping feature. The problem is, that no matter whether relationship I set, on the side of the User, both collections always contain the same data. I guess Fluent can't tell which end of which relationship belongs to where. I googled around but haven't found anything useful. Could anyone help me, please?

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  • Forcing A Postback Asp.Net

    - by Nick LaMarca
    Please take a look at the following click event... Protected Sub btnDownloadEmpl_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnDownloadEmpl.Click Dim emplTable As DataTable = SiteAccess.DownloadEmployee_H() Dim d As String = Format(Date.Now, "d") Dim ad() As String = d.Split("/") Dim fd As String = ad(0) & ad(1) Dim fn As String = "E_" & fd & ".csv" Response.ContentType = "text/csv" Response.AddHeader("Content-Disposition", "attachment; filename=" & fn) CreateCSVFile(emplTable, Response.Output) Response.Flush() Response.End() lblEmpl.Visible = True End Sub This code simply exports data from a datatable to a csv file. The problem here is lblEmpl.Visible=true never gets hit because this code doesnt cause a postback to the server. Even if I put the line of code lblEmpl.Visible=true at the top of the click event the line executes fine, but the page is never updated. How can I fix this?

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  • How to pass Model from a view to a partial view?

    - by chobo2
    Hi I have a view that is not strongly typed. However I have in this view a partial view that is strongly typed. How do I do I pass the model to this strongly typed view? I tried something like public ActionResult Test() { MyData = new Data(); MyData.One = 1; return View("Test",MyData) } In my TestView <% Html.RenderPartial("PartialView",Model); %> This give me a stackoverflow exception. So I am not sure how to pass it on. Of course I don't want to make the test view strongly typed if possible as what happens if I had like 10 strongly typed partial views in that view I would need like some sort of wrapper.

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  • ASP.NET ~ remotely invoking an ASP.NET page

    - by eponymous23
    I have two servers running IIS, say, Server-A and Server-B. Server-A is in the DMZ, visible to all users; Server-B is not in the DMZ. I need to provide a way for users to invoke a page on Server-A which will in turn remotely request a page on Server-B, transparently to the user. In other words, Server-A needs to do this on behalf of the user because the user does not have visibility to Server-B. Is this possible and if so, what is the best method to do this?

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  • How to get password html helper to render password on failed validation

    - by Max Schmeling
    I have a form for creating a new account and it has a password field in it. I'm using view models to pass data to the controller action and back to the form view. When the user enters their details in, and clicks submit, if validation fails and it returns them to the same view passing back in the view model, it won't default the password to what they entered. How can I get it to do this? Or should I even try?

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  • Uncovering Compiler Errors in ASP.NET MVC Views

    - by Ben Griswold
    ASPX and ASCX files are compiled on the fly when they are requested on the web server. This means it’s possible that you aren’t catching compile errors associated with your views when you build your ASP.NET MVC project in Visual Studio.  Unless you’re willing to click through your entire application, rendering each view looking for errors, you application is left a little vulnerable to user issues.  Fortunately, there’s a work around.  Open up your MVC project file in notepad or within the Visual Studio IDE by unloading the project and then editing the .csproj file (both actions are available by right-clicking on the Project Node in Solution Explorer.)  Notice the MvcBuildViews option.  It’s probably set to false.  Flip the value to true and you’ll magically start compiling your views when you build your application. <MvcBuildViews>false</MvcBuildViews> Taking this action will slow down your builds a bit, but if you’re a hack like me, it’ll probably save your day in the long run. Now you’re probably thinking, “Neat trick – how’s it work?”  Scroll down toward the bottom of your csproj file and you will notice the AfterBuild target triggers the AspNetCompiler action if the MvcBuildViews option is set to true.  <Target Name="AfterBuild" Condition="'$(MvcBuildViews)'=='true'">   <AspNetCompiler VirtualPath="temp"                   PhysicalPath="$(ProjectDir)\..\$(ProjectName)" /> </Target> Great. One more thing. Let’s say you don’t want to slow down all of your builds, but you absolutely want to know if there are any compiler issues with your views before you commit your code to version control or deploy or whatever.  Here’s what you can do – change the AfterBuild condition to run if your configuration is set to Release mode.  <Target Name="AfterBuild" Condition="'$(Configuration)'=='Release'">   <!– Always pre-compile ASPX and ASCX in release mode –>   <AspNetCompiler VirtualPath="temp"                   PhysicalPath="$(ProjectDir)\..\$(ProjectName)" /> </Target> Now your debug mode builds will continue to be as fast as ever and you can quickly validate your views by building in release mode when you so choose.  There’s one little catch – this setup won’t consider the MvcBuildViews option whatsoever! So if you decide to go with this configuration, you might want to add a comment near the MvcBuildViews option letting other developers know they can change the MvcBuildViews option as much as they’d like but it’s not going to affect the AfterBuild action.  Or don’t include the comment and let your team members figure it out for themselves…

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  • A debugging experience with "highly compatible" ASP.NET 4.5

    - by Jeff
    I have to admit that I will pretty much upgrade software for no reason other than being on the latest version. I won't do it if it's super expensive (Adobe gets money from me about once every three or four years at best), but particularly with frameworks and stuff generally available as part of my MSDN subscription, I'll be bleeding edge. CoasterBuzz was running on the MVC 4 framework pretty much as soon as they did a "go live" license for it. I didn't really jump in head-first with Windows 8 and Visual Studio 2012, in part because I just wasn't interested in doing the reinstalls for each new version. Turns out there weren't that many revisions anyway. But when the final versions were released a week and a half ago, I jumped in. I saw on one of the Microsoft sites that .Net 4.5 was a "highly compatible in-place update" to the framework. Good enough for me. I was obviously running it by default in Windows 8, and installed it on my production server. I suppose it's "highly compatible," except when it isn't. Three of my sites are running with various flavors of the MVC version of POP Forums. All of them stopped working under ASP.NET 4.5. It was not immediately obvious what the problem might be beyond an exception indicating that there were no repository classes registered with Ninject, which I use for dependency injection in the forums. This was made all the more weird by the fact that it ran fine locally in the dev Web host. My first instinct was to spin up a Windows Server VM on my local box and put the remote debugger on it. (Side note: running multiple VM's on a Retina MacBook Pro with 16 gigs of RAM is pretty much the most awesome thing ever. I can't believe this computer is for real, and not a 50-pound tower under my desk.) What might have been going on in IIS that doesn't happen in Visual Studio? In the debugging process, I realized that I might be looking in the wrong place. POP Forums creates a Ninject container using a method called from a PreApplicationStartMethod attribute, and at that time registers a module (what Ninject uses to map interfaces to implementations) that maps all of the core dependencies. It also creates an instance of an HttpModule that originally hosted the "services" (search indexing, mailer, etc.), but now just records errors. That's all well and good, but the actual repository mapping, where data is actually read or persisted, happens in Application_Start() in global.asax. The idea there is that you can swap out the SqlSingleWebServer repos for something tuned for multiple servers, Oracle or something else. Of course, if I used something like StructureMap, which does convention-based mapping for dependency injection (a class implementing ISettingsRepository called SettingsRepository is automagically mapped), I wouldn't have to worry about it. In any case, the HttpModule, being instantiated before Application_Start() gets to run, would throw because there was no repo mapped where it could get settings from the database. This makes total sense. The fix is sort of a hack, where I don't setup the innards of the HttpModule until a call to its BeginRequest is made. I say it's a hack, because its primary function, logging exceptions, won't work until the app has warmed up. Still, this brings up an interesting question about the race condition, and what changed in 4.5 when it's running in IIS. In ASP.NET 4, it would appear that the code called via the PreApplicationStartMethod was either failing silently, and running again later, or it was getting to that code after Application_Start was called. In any case, weird thing. The real pain point I'm experiencing now is a bug in MVC 4 that is extremely serious because it renders the mobile/alternate view functionality very much broken.

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  • Saving ntext data from SQL Server to file directory using asp

    - by April
    A variety of files (pdf, images, etc.) are stored in a ntext field on a MS SQL Server. I am not sure what type is in this field, other than it shows question marks and undefined characters, I am assuming they are binary type. The script is supposed to iterate through the rows and extract and save these files to a temp directory. "filename" and "contenttype" are given, and "data" is whatever is in the ntext field. I have tried several solutions: 1) data.SaveToFile "/temp/"&filename, 2 Error: Object required: '????????????????????' ??? 2) File.WriteAllBytes "/temp/"&filename, data Error: Object required: 'File' I have no idea how to import this, or the Server for MapPath. (Cue: what a noob!) 3) Const adTypeBinary = 1 Const adSaveCreateOverWrite = 2 Dim BinaryStream Set BinaryStream = CreateObject("ADODB.Stream") BinaryStream.Type = adTypeBinary BinaryStream.Open BinaryStream.Write data BinaryStream.SaveToFile "C:\temp\" & filename, adSaveCreateOverWrite Error: Arguments are of the wrong type, are out of acceptable range, or are in conflict with one another. 4) Response.ContentType = contenttype Response.AddHeader "content-disposition","attachment;" & filename Response.BinaryWrite data response.end This works, but the file should be saving to the server instead of popping up save-as dialog. I am not sure if there is a way to save the response to file. Thanks for shedding light on any of these problems!

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  • How to solve out of memory exception error in Entity FramWork?

    - by programmerist
    Hello; these below codes give whole data of my Rehber datas. But if i want to show web page via Gridview send me out of memory exception error. GenoTip.BAL: public static List<Rehber> GetAllDataOfRehber() { using (GenoTipSatisEntities genSatisCtx = new GenoTipSatisEntities()) { ObjectQuery<Rehber> rehber = genSatisCtx.Rehber; return rehber.ToList(); } } if i bind data directly dummy gridview like that no problem occures every thing is great!!! <asp:GridView ID="gwRehber" runat="server"> </asp:GridView> if above codes send data to Satis.aspx page: using GenoTip.BAL; namespace GenoTip.Web.ContentPages.Satis { public partial class Satis : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { gwRehber.DataSource = SatisServices.GetAllDataOfRehber(); gwRehber.DataBind(); //gwRehber.Columns[0].Visible = false; } } } } but i rearranged my gridview send me out of memory exception!!!! i need this arrangenment to show deta!!! <asp:GridView ID="gwRehber" runat="server"> <Columns> <%-- <asp:TemplateField> <ItemTemplate> <asp:Button runat="server" ID="btnID" CommandName="select" CommandArgument='<%# Eval("ID") %>' Text="Seç" /> </ItemTemplate> </asp:TemplateField>--%> <asp:BoundField DataField="Ad" HeaderText="Ad" /> <asp:BoundField DataField="BireyID" HeaderText="BireyID" Visible="false" /> <asp:BoundField DataField="Degistiren" HeaderText="Degistiren" /> <asp:BoundField DataField="EklemeTarihi" HeaderText="EklemeTarihi" /> <asp:BoundField DataField="DegistirmeTarihi" HeaderText="Degistirme Tarihi" Visible="false" /> <asp:BoundField DataField="Ekleyen" HeaderText="Ekleyen" /> <asp:BoundField DataField="ID" HeaderText="ID" Visible="false" /> <asp:BoundField DataField="Imza" HeaderText="Imza" /> <asp:BoundField DataField="KurumID" HeaderText="KurumID" Visible="false" /> </Columns> </asp:GridView> Error Detail : [OutOfMemoryException: 'System.OutOfMemoryException' türünde özel durum olusturuldu.] System.String.GetStringForStringBuilder(String value, Int32 startIndex, Int32 length, Int32 capacity) +29 System.Convert.ToBase64String(Byte[] inArray, Int32 offset, Int32 length, Base64FormattingOptions options) +146 System.Web.UI.ObjectStateFormatter.Serialize(Object stateGraph) +183 System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Serialize(Object state) +4 System.Web.UI.Util.SerializeWithAssert(IStateFormatter formatter, Object stateGraph) +37 System.Web.UI.HiddenFieldPageStatePersister.Save() +79 System.Web.UI.Page.SavePageStateToPersistenceMedium(Object state) +105 System.Web.UI.Page.SaveAllState() +236 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1099

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  • Find an asp:Button in VB.NET

    - by Andrew
    I'm trying to code a section for my website in VB but VB can't seem to find a button. Is there a way for the code to find it? I know where it is. Loginview Login LoginTemplate. How do I get VB.NET to point to that location?

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