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Questions tagged [system.web.ui.webcontrols]

34 questions
11
votes
1 answer

Error: the type or namespace UI doesnt exist in the namespace

I need to use System.Web.UI in a class library project. using System.Web.UI; namespace OnlinePdViewer { public class DisplayPd { } } I get compile error when using System.Web.UI statement: "The type or namespace name 'UI' does not…
perlynsparks
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4
votes
1 answer

ASP.NET ApplicationInstance.CompleteRequest not working?

HttpContext.Current.ApplicationInstance.CompleteRequest appears to be doing nothing. What am I missing? For example, despite the fact that CompleteRequest is called during every interesting event, all of the below events still run on a simple test…
David Eison
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3
votes
2 answers

DataBinding asp.net DropDownList from a List of ListItems causing System.ArgumentOutOfRangeException Error

I am attempting to DataBind an asp:DropDownList with a Collections.Generic.List of System.Web.UI.WebControls.ListItems. The DataBind() is throwing this error. System.ArgumentOutOfRangeException: 'ddlPlatinumOptions' has a SelectedValue which is…
Ryan O'Hara
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2
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1 answer

Change the rendered html for the treeview control to create a label instead of span

I use a treeview control in my webform in ASP.NET and the rendered HTML is like this:
Mariam
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2
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0 answers

Treenode convert Microsoft.Web.UI.WebControls to System.Web.UI.WebControls

I'm trying to convert treeview that uses the older htc tag< iewc:treeview> to use the newer asp treeview tag < asp:TreeView >. I noticed that the treeview object is different as in the older code uses the import Microsoft.Web.UI.WebControls…
usr4896260
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1 answer

How to use System.Web.UI.UserControl in .net core

I'm migrating MVC application to ASP.NET CORE. In that I'm using web user control. UserControl ctrl= oLogSite as UserControl; Here oLogSite is object type. Please let me know how to use in .Core
Lakshm
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1
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1 answer

Dropdownlist with optgroup using WebControlAdapters

I need to do a dropdownlist with optgroup. I found lots of guides and all foresee the use of WebControlAdapter this is the guide that I'm fllowing I've added the class to my App_Code folder project: namespace admin.App_Code { public class…
Martina
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Show asp:Panel stored in different file

I have an asp page (.aspx) page, and a asp:Panel in it. I use Telerik library but this is irrelevant, I think. I now need to move the asp:Panel tag outside the main file, into another, stand-alone, .aspx due to file size and work organization. I…
Nillus
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1
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2 answers

How to enable ajax when deriving from System.Web.UI.WebControls.WebControl on controls that are created inside WebControl

I've built a class that derives from System.Web.UI.WebControl. It basically renders pagination links (same as what you see on top of GridView when enabled) for use above a repeater. I'm creating some anchor tags explicitly inside my nav control…
Dave
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vote
1 answer

Add row dynamically to table in ASP.NET?

I'm trying to add rows dynamically to a System.Web.UI.WebControls.Table control in ASP.NET. I found some sample code that does what I'm seeking, but it only adds a single row. It seems like the table row count does not carry from one page load to…
jtherkel
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_ServerClick event and Response.Redirect: wrong redirection

Perhaps this question is a bit too general, but I'll try to narrow it down by explaining my scenario. I have a login page, with an html input button: The button triggers the…
U r s u s
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1
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0 answers

acceptsReturn set to True for WebControls TextBox

How can I impose similar behavior that acceptsReturn = "True" imposes on a System.Windows.Forms textbox on a System.Web.UI.WebControls textbox? If asp:TextBox cannot have this behavior, i.e., going to the next line when Enter is pressed what is the…
Dogahe
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0
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1 answer

Alternative to System.Web.UI.WebControls.TableCell

I have a website which is code generating practically everything on the page. The home page consists of a right menu which is being built via code. It uses System.Web.UI.WebControls.TableCell class and creates a td for every new item. Here is a…
SOLDIER-OF-FORTUNE
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0
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1 answer

Listview reference in a class library

I'm trying to access the ListView class from System.Web.UI.WebControls in my class library. So I added a reference to System.Web and expected it to then show up but unfortunately it didn't. Now I can only assume it is because the ListView is part of…
John_
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How to dynamically set width of Checkbox list bounded to a data source in a table?

I have a checkbox list inside a table row. The Checkboxes are equally spaced out but i want to remove the spacing between each checkbox. is this possible ? Also is it possible to text wrap labels that are too long for example "Autism Spectrum…
Shafeel Mohammed
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