ASP.NET Web server controls are objects on ASP.NET Web pages that run when the page is requested and that render markup to a browser. Many Web server controls resemble familiar HTML elements, such as buttons and text boxes. Other controls encompass complex behavior, such as a calendar controls, and controls that manage data connections.
Questions tagged [asp.net-controls]
174 questions
40
votes
6 answers
ASP.NET control to render a
The Label control in ASP.NET seems to render tags, but is there a server control to render HTML within a ?
Sure, I could set display: block and it might look the same, but I'd rather not be nesting divs inside spans. Also I'd prefer not…
James
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The Label control in ASP.NET seems to render tags, but is there a server control to render HTML within a
?
Sure, I could set display: block and it might look the same, but I'd rather not be nesting divs inside spans. Also I'd prefer not…
James
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26
votes
4 answers
How to register custom server control on ASP.NET page
I have a project and I am trying to register a custom server control (there is no .ascx file) on the page. I am currently using
Class Declaration
namespace MyApp.Controls{
public class CustomControl: WebControl{
public string Text
…
smartcaveman
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22
votes
9 answers
How do I disable all controls in ASP.NET page?
I have multiple dropdownlist in a page and would like to disable all if user selects a checkbox which reads disable all. So far I have this code and it is not working. Any suggestions?
foreach (Control c in this.Page.Controls)
{
if (c is…
Mohamed
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20
votes
1 answer
Obtain strongly typed header class in ASP.NET Core
How do you obtain a strongly typed header class from the namespace System.Net.Http.Headers from an ASP.NET Core controller? In a controller derived from Controller, Request.Headers is available, but it just returns IHeaderDictionary. There is also…
Edward Brey
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11
votes
2 answers
PlaceHolder vs Literal for adding HTML markup generated at runtime
This question points out Literal vs Label while this question points out Panel VS. PlaceHolder but just today I was debating with my colleague on using PlacHolder vs Literal for adding HTML markup which is generated at runtime. Both controls do not…
Ahmed Atia
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10
votes
7 answers
Set ClientID in asp.net
Is it possible to set the ClientID of any asp.net server control? How can I do this?
ebattulga
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9
votes
3 answers
Is there a way to put inner controls inside a ASP.NET Custom Control?
I want to do something like (Updated example):
rball
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7
votes
2 answers
ASP.Net ListView Grouping by Data Field?
I uses asp.net listview control to display the details. Each item has the group details. For demo purposes group is hard coded.
I want to display the listview as shown below
Right now, I have this
Code:
One Developer
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7
votes
5 answers
How can I create a custom Repeater that displays Header, Footer based on properties?
I want to create a Repeater that displays the header/footer based on properties, only if the DataSource is empty.
public class Repeater : System.Web.UI.WebControls.Repeater
{
public bool ShowHeaderOnEmpty { get; set; }
public bool…
BrunoLM
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6
votes
2 answers
ASP.NET: explicit vs implicit localization?
To my mind the advantage of implicit localization over explicit localization is that if you have more than one property to localize for a given control, it's a more economical syntax.
In the case where you just need to localize some text I use the…
User
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6
votes
5 answers
how to change visible of an asp.net control of master page in content page?
I have a Master Page that have a asp:Panel control and the code that sets Visible = False in it's code behind.
Now i want to change Visible = True in one of content page. How do it?
Master page code behind:
AccountUserInfo.Visible = false; …
Hamid Talebi
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5
votes
2 answers
How to add control to the page programatically in page load?
I am trying to add controls to the page from the code behind in the page load stage like this:
foreach (FileInfo fi in dirInfo.GetFiles())
{
HyperLink hl = new HyperLink();
hl.ID = "Hyperlink" + i++;
hl.Text = fi.Name;
hl.NavigateUrl…
Laziale
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5
votes
10 answers
How to reduce this IF-Else ladder in c#
This is the IF -Else ladder which I have created to focus first visible control on my form.According to the requirement any control can be hidden on the form.So i had to find first visible control and focus it.
if (ddlTranscriptionMethod.Visible)
…
Rohit Raghuvansi
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4
votes
3 answers
Add ASP Controls to a Table Dynamically
Right now I have an ASP Table. I can add rows and cells to this table just fine. What I would like to do, is instead of the cell just displaying text, I would like to add a control. For example a Button.
Right now, my first thought on how to do this…
user489041
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4
votes
4 answers
ASP.NET Server Control Property Attribute must be required
I have a custom ASP.NET server control CustomControl with a property attribute Path.
If the Path is not explicitly specified, then I want an exception to be thrown.
For example,
smartcaveman
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