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• Access to variables in an asp.net user control vs an include file

  - by user204588

  I've asked this question before but couldn't get the answer I was looking for so I'm going to try it again. I'm translating pages from old asp to asp.net and I don't want to do this any other way so I really just want to know if this can be done. In asp, I'd assign a variable on one page <% myVar = "something" %> I could assign many variables here and then use an include <!--#include file="Test2.aspx"--> then in test2 file, I could access all the variables without having to pass all the variables into the control or declaring them again, like <% myVar = "something else" %> I want to do this the dot net way but I have some thirty variables on the page and i don't want to pass a bunch into the user control and I don't want to have to keep declaring the same variables. All I really want to know is if there is some way to replicate the behavior above in asp.net?

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• WPF, C# - Making Intellisense/Autocomplete list, fastest way to filter list of strings

  - by user559548

  Hello everyone, I'm writing an Intellisense/Autocomplete like the one you find in Visual Studio. It's all fine up until when the list contains probably 2000+ items. I'm using a simple LINQ statement for doing the filtering: var filterCollection = from s in listCollection where s.FilterValue.IndexOf(currentWord, StringComparison.OrdinalIgnoreCase) >= 0 orderby s.FilterValue select s; I then assign this collection to a WPF Listbox's ItemSource, and that's the end of it, works fine. Noting that, the Listbox is also virtualised as well, so there will only be at most 7-8 visual elements in memory and in the visual tree. However the caveat right now is that, when the user types extremely fast in the richtextbox, and on every key up I execute the filtering + binding, there's this semi-race condition, or out of sync filtering, like the first key stroke's filtering could still be doing it's filtering or binding work, while the fourth key stroke is also doing the same. I know I could put in a delay before applying the filter, but I'm trying to achieve a seamless filtering much like the one in Visual Studio. I'm not sure where my problem exactly lies, so I'm also attributing it to IndexOf's string operation, or perhaps my list of string's could be optimised in some kind of index, that could speed up searching. Any suggestions of code samples are much welcomed. Thanks.

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• Subcontrols not visible in custom control derived from another control

  - by Gacek

  I'm trying to create a custom control by deriving from a ZedGraphControl I need to add a ProgressBar to the control, but I encountered some problems. When I create a custom control and add both, ZedGraphCOntrol and ProgressBar to it, everything is OK: MyCustomControl { ZedGraphControl ProgressBar } All elemnets are visible and working as expected. But I need to derive from ZGC and when I add a progress bar as a subcontrol of ZedGraphControl: MyCustomControl : ZedGRaphControl { ProgressBar } The progress bar is not visible. Is there any way to force the visibility of ProgressBar? Is it possible, that ZedGraphControl is not displaying its subcontrols? I tried do the same thing with a simple button and it's also not being displayed.

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• Maintain Added List Item while binding from datasource

  - by Kronass

  Hi, I have a drop down list, and I added some items in it as follows <asp:DropDownList ID="ddlInsAuther" runat="server" DataSourceID="ObjectDataSourceInsAuthers" DataTextField="AutherName" DataValueField="AutherID"> <asp:ListItem Value="-1">No Authers</asp:ListItem> </asp:DropDownList> And in Datasource <asp:ObjectDataSource ID="ObjectDataSourceInsAuthers" runat="server" SelectMethod="GetAll" TypeName="MyProject.BusinessLayer.AuthersFactory"> </asp:ObjectDataSource> When it loads it clears the list and loads the new items, I don't want to make a custom binder on page load, how can I maintain my added items in the list while binding from datasource?

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• In wpf how to handle a event raised by a button inside user control in the page which uses that user

  - by gowri-ganapathy

  Hi I am using MVVM architecture. I had created a user control which contains a button control. I want the click event of the button control to be captured in page which uses this user control. How to do this? Plase help :)

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• Best 3rd Party WPF Datagrid

  - by John

  We need a powerful datagrid for financial applications to replace existing winforms datagrids. Has anyone tried any 3rd party WPF datagrids recently? We tested a number of WPF grids over a year ago, but at the time they weren't up to standards when compared to their winforms counterparts (in terms of functionality). Please do not reply with: WPF Toolkit ListView You don't need datagrids

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• WPF User Control

  - by Jeevan Bhatt

  how to add image in radio button. Image can be change melodramatically.

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• Blackberry User Interface Design - Customizable UI?

  - by John Stewart

  I am trying to design a Blackberry Application and I am wondering if there are any resources on how to create custom user interface elements, skin existing ones and what other possibilities are there? I have developed a few iPhone applications with custom UI and stuff, so not sure what BB world offers in terms of UI development. Any tips, suggestions or ideas would be great.

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• Custom pyGTK button

  - by Wallter

  I would like to create a button that I can control the look of the button using pyGTK. How would I go about doing this? I would like to be able to point to a new image for each 'state' the button is in (i.e. Pressed, mouse over, normal...etc.)

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• C#, WPF. Length of string that will fit in a specific width.

  - by Ian

  Hi, I'm sure I'm missing something obvious, I have an area in which I intend to draw text. I know its (the area) height and width. I wish to know how many characters/Words will fit in the width, characters preferably. Second question, If the line is too long I'll want to draw a second line, so I guess I need to get the height of the text as well, including what ever it considers the right vertical padding? I'd also rather like to know the inverse, i.e. how many characters I can fit in a specific width. I assume the fact that WPF isn't constrained to pixels will have some bearing on the answer? Ultimately I'm planning on wrapping text around irregular shaped images embedded in the text. Any pointers in the right direction would be great. Thanks

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• Is it bad practice to handle the showing of the open file dialog, and other dialogs, from within a c

  - by highone

  I am making a custom textbox control and am thinking about adding keybindings in the constructor that execute commands to open and save files. I am also thinking about handling the find and replace dialog from within my textbox control. Is there a reason I shouldn't do this?

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• How to get the default syle of my Button in WPF?

  - by Ashish Ashu

  I have create a Button style under Resource folder of the main application. I have added the reference of this button syle in the App.xml of the main application. Now this style is applicable to all the buttons in the main application or any other assembly. I want if I want to override my custom style of button to the normal button style , what should I do ?? Please help !!

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• Strange behaviour with Microsoft.WindowsCE.Forms

  - by Mohammadreza

  I have a Windows Mobile application in which I want to check the device orientation. Therefore I wrote the following property in one of my forms: internal static Microsoft.WindowsCE.Forms.ScreenOrientation DeviceOriginalOrientation { get; private set; } The strange thing is that after that whenever I open a UserControl, the designer shows this warning even if that UserControl doesn't use the property: Could not load file or assembly 'Microsoft.WindowsCE.Forms, Version=3.5.0.0, Culture=neutral, PublicKeyToken=969db8053d3322ac' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) Commenting the above property will dismiss the warning and shows the user control again. The application is built successfully and runs without any problems in both cases. Does anybody know why this happens and how can I fix it?

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• Do you prefer a Grid of ContentControl elements?

  - by rasx

  Today I am led to say for the greatest level of flexibility using a Grid of ContentControl elements is the way to go. Are there any caveats coming for choosing this strategy? (Note that, of course, I am not referring to the DataGrid or the GridView of a ListView.)

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• Add ability to provide list items to composite control with DropDownLIst

  - by Kyle

  I'm creating a composite control for a DropDownList (that also includes a Label). The idea being that I can use my control like a dropdown list, but also have it toss a Label onto the page in front of the DDL. I have this working perfectly for TextBoxes, but am struggling with the DDL because of the Collection (or Datasource) component to populate the DDL. Basically I want to be able to do something like this: <ecc:MyDropDownList ID="AnimalType" runat="server" LabelText="this is what will be in the label"> <asp:ListItem Text="dog" Value="dog" /> <asp:ListItem Text="cat" Value="cat" /> </ecc:MyDropDownList> The problem is, I'm not extending the DropDownList class for my control, so I can't simply work it with that magic. I need some pointers to figure out how I can turn my control (MyDropDownList), which is currently just a System.Web.UI.UserControl, into something that will accept List items within the tag and ideally, I'd like to be able to plug it into a datasource (the same functions that the regular DDL offers). I tried with no luck just extending the regular DDL, but couldn't get the Label component to fly with it.

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• razor intellisense not working on VS2010 for microsoft.web.helpers

  - by pomarc

  I have VS2010 Premium,.NET4.0, MVC3 Tools Update. I've nugetted microsoft-web-helpers successfully. I cannot get @razor intellisense to recognize the microsoft.web.helpers classes. They do work correctely at runtime, i.e. @Twitter.profile shows a profile, but at design time the statent is seen as an error and no members are shown after "." I've tried to add <add assembly="System.Web.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> to the <assemblies> element in web.config, but it didn't help. Any idea? thanks.

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• aspx listbox control

  - by lissa

  i tried to extend the listbox control and override its RenderEndTag method. everything works well if i used the control directly in a webapage. ie, the RenderEndTag is called. but when i try to put the control in a WebUserControl and use the webusercontorl in a webpage, the RenderEndTag of the extended control is not called. this is strange because the constructor is being called but the RenderEndTag method is not! any ideas about fixing the issue?

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• Is there a way to add an onclick event to an ASP.NET Label server control?

  - by fuentesjr

  I wanted to do something like this: <asp:Label ID="lblMyLabel" onclick="lblMyLabel_Click" runat="server">My Label</asp:Label> I know that in Javascript I can do: <span onclick="foo();">My Label</span> So I'm wondering why I can't do that with a Label object.

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• [NSIS] Custom radio-buttom INI page via Eclipse

  - by Omegazero

  I'm using Eclipse's create InstallOptions menu to create a custom INI page with radio-buttons for repackaging the Blackberry Desktop installer. There are 2 sections for each type: "Internet" and "Enterprise". I need a user to select 1 of the 2 options and depending on their selection, the page will carry over the selection chosen in the custom page, jump to the INSTFILES page, and continue onto the end. I couldn't find any concrete documentation on getting INI pages to load in the script (I'm probably searching incorrectly), and then pass data from one page to the next (according to fields I guess?) Any help is appreciated. Even if it's to tell me I'm blind and can't read a doc (though a link would help :) ) Here's the INI code: ; Auto-generated by EclipseNSIS InstallOptions Script Wizard ; Jul 29, 2009 5:42:56 PM [Settings] NumFields=7 Title=RIM BlackBerry Desktop 5.0 installation CancelEnabled=1 [Field 1] Type=RadioButton Left=15 Top=28 Right=100 Bottom=38 Text=Internet State= Flags=NOTIFY [Field 4] Type=RadioButton Left=15 Top=95 Right=100 Bottom=105 Text=Enterprise Flags=NOTIFY [Field 2] Type=GroupBox Left=0 Top=10 Right=300 Bottom=75 Text= [Field 5] Type=Label Left=30 Top=42 Right=235 Bottom=52 Text=For users who are NOT on the Enterprise (Exchange) server [Field 6] Type=Label Left=30 Top=111 Right=235 Bottom=121 Text=Choose this only if you are on the Exchange server [Field 3] Type=GroupBox Left=0 Top=75 Right=300 Bottom=140 [Field 7] Type=Label Left=0 Top=0 Right=130 Bottom=10 Text=Please choose your installation method ...And here's the NSI code: Auto-generated by EclipseNSIS Script Wizard Jul 29, 2009 5:42:16 PM Name "BlackBerry Desktop" RequestExecutionLevel admin General Symbol Definitions !define VERSION 5.0.0.11 !define COMPANY RIM !define URL http://www.blackberry.com MUI Symbol Definitions !define MUI_ICON BBD.ico !define MUI_LICENSEPAGE_RADIOBUTTONS Included files !include Sections.nsh !include MUI2.nsh Reserved Files ReserveFile "${NSISDIR}\Plugins\AdvSplash.dll" Installer pages !insertmacro MUI_PAGE_WELCOME !insertmacro MUI_PAGE_LICENSE license.txt !insertmacro MUI_PAGE_COMPONENTS !insertmacro MUI_PAGE_INSTFILES !insertmacro MUI_PAGE_FINISH Installer languages !insertmacro MUI_LANGUAGE English Installer attributes OutFile RIM_BlackBerry_Desktop_5.0.exe InstallDir "$TEMP\RIM BlackBerry Desktop 5.0 Setup Files" CRCCheck on XPStyle on ShowInstDetails hide VIProductVersion 5.0.0.11 VIAddVersionKey /LANG=${LANG_ENGLISH} ProductName "BlackBerry Desktop" VIAddVersionKey /LANG=${LANG_ENGLISH} ProductVersion "${VERSION}" VIAddVersionKey /LANG=${LANG_ENGLISH} CompanyName "${COMPANY}" VIAddVersionKey /LANG=${LANG_ENGLISH} CompanyWebsite "${URL}" VIAddVersionKey /LANG=${LANG_ENGLISH} FileVersion "${VERSION}" VIAddVersionKey /LANG=${LANG_ENGLISH} FileDescription "" VIAddVersionKey /LANG=${LANG_ENGLISH} LegalCopyright "" Installer sections Section /o Main SEC0000 SetOutPath $INSTDIR SetOverwrite ifdiff ; TESTING PHASE SectionEnd SectionGroup /e "BlackBerry Desktop Section" Section /o Internet SEC0001 SetOutPath $INSTDIR\DRIVERS SetOverwrite ifdiff ; Execwait 'msiexec /i "$INSTDIR\BlackBerry USB and Modem Drivers_ENG (DM5.0b28).msi" /passive' SetOutPath $INSTDIR SetOverwrite ifdiff ; File /r * ; ExecWait '"$INSTDIR\Setup.exe" /S/v/qb!' SectionEnd Section /o Enterprise SEC0002 SetOutPath $INSTDIR\DRIVERS SetOverwrite ifdiff ; Execwait 'msiexec /i "$INSTDIR\BlackBerry USB and Modem Drivers_ENG (DM5.0b28).msi" /passive' SetOutPath $INSTDIR SetOverwrite ifdiff ; File /r * ; Delete /REBOOTOK "$INSTDIR\Setup.ini" ; Rename /REBOOTOK "$INSTDIR\Setup_Enterprise.ini" "$INSTDIR\Setup.ini" ; ExecWait '"$INSTDIR\Setup.exe" /S/v/qb!' SectionEnd SectionGroupEnd Section Descriptions !insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN !insertmacro MUI_DESCRIPTION_TEXT ${SEC0000} $(SEC0000_DESC) !insertmacro MUI_DESCRIPTION_TEXT ${SEC0001} $(SEC0001_DESC) !insertmacro MUI_FUNCTION_DESCRIPTION_END Installer Language Strings TODO Update the Language Strings with the appropriate translations. LangString SEC0000_DESC ${LANG_ENGLISH} "Installation for non-Exchange/Enterprise BlackBerry Users" LangString SEC0001_DESC ${LANG_ENGLISH} "Installation for Exchange/Enterprise BlackBerry Users"

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• Gaps between items in my ListBox

  - by drasto

  When I create ListBox with horizontal items ordering for example like this: <DockPanel> <ListBox> <ListBox.ItemsPanel> <ItemsPanelTemplate> <VirtualizingStackPanel Orientation="Horizontal" /> </ItemsPanelTemplate> </ListBox.ItemsPanel> <ListBoxItem> <Button Content="Hello" /> </ListBoxItem> <ListBoxItem> <Button Content="Hello" /> </ListBoxItem> </ListBox> </DockPanel> I have small gaps between buttons in the list as indicated by the arrows on following picture: How can I get rid of those gaps please ? I need to have items in ListBox just next to each other. I have tried changing ItemTemplate of the ListBox but it did not help.

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• adding row dyanamicaly to gridview in WPF

  - by user572914

  Please help me with the following code,I want to add a row inputted by user to a gridview. I am able to add a row but its empty!!Please help.it worked in windows forms but its not working with WPF. private void button1_Click(object sender, RoutedEventArgs e) { GetGridView(); } private void GetGridView() { string[] row0 = {textBox1.Text,"Beatles" }; dataGrid1.Items.Add(row0); dataGrid1.Columns[0].DisplayIndex = 0; dataGrid1.Columns[1].DisplayIndex = 1; } ////////////// sure,here it is

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• Which component should i use?

  - by strakastroukas

  I am using the <a> element to increase the font size in my webpage. <a href="javascript:increaseFontSize();">+</a> The problem with it is that i cannot set a background image. So what component should i choose from the VS2008 toolbox that has OnClientClick property and does not post-back? For examaple, i set the OnClientClick property in a ImageButton, but the postback is executed after the ClientSide click

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• Adding a GridViewRowCollection to the asp.net GridView

  - by CoffeeCode

  i have a record of a gridviewrowcollection. and i'm having issues with adding them to the grid. GridViewRowCollection dr = new GridViewRowCollection(list); StatisticsGrid.DataSource = dr; doesnt work. StatisticsGrid.Rows does have an add method, what is strange how can i add a gridviewrowcollection without creating a datatable + binding it to the datasource?? thanks in advance

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• WPF: Is there a built-in TreeGrid / TreeListView?

  - by John Gietzen

  I need something just like this: But, I need it in WPF. is this something that is built in, or am I going to have to build it myself? I assume it has to be somewhere in the framework, since VS2010 is build in WPF.

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• MS Access 2003 - Save button enabling on form open on different tabs

  - by Justin

  I have a tab control on a form, and a couple different tabs have save buttons on them. Once the user saves data (via SQL statements in VBA), I set the .enabled = false so that they cannot use this button again until moving to a brand new record (which is a button click on the overall form). so when my form open i was going to reference a sub that enabled all these save buttons because the open event would mean new record. though i get an error that says it either does not exist, or is closed. any ideas? thanks EDIT: Sub Example() error handling Dim db as dao.database dim rs as dao.recordset dim sql as string SQL = "INSERT INTO tblMain (Name, Address, CITY) VALUES (" if not isnull (me.name) then sql = sql & """" & me.name & """," else sql = sql & " NULL," end if if not insull(me.adress) then sql = sql & " """ & me.address & """," else sql = sql & " NULL," end if if not isnull(me.city) then sql = sql & " """ & me.city & """," else sql = sql & " NULL," end if 'debug.print(sql) set db = currentdb db.execute (sql) MsgBox "Changes were successfully saved" me.MyTabCtl.Pages.Item("SecondPage").setfocus me.cmdSaveInfo.enabled = false and then on then the cmdSave needs to get re enabled on a new record (which by the way, this form is unbound), so it all happens when the form is re-opened. I tried this: Sub Form_Open() me.cmdSaveInfo.enabled = true End Sub and this is where I get the error stated above. So this is also not the tab that has focus when the form opens. Is that why I get this error? I cannot enable or disable a control when the tab is not showing?

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