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Old October 10th, 2007, 08:52 AM
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Default Accessing Child Controls of Nested Repeater...

Hi All,

     I'm using a nested repeater control, where the inner repeater has a web usercontrol bound to it. The web usercontrol is placed inside the itemtemplate of the inner repeater. There are few textboxes and dropdowns in the usercontrol. I have to get the values of these controls and update a dataset. Could anyone say, how I can access the controls in the web usercontrol.



Any input is appreciated.

Jay
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Old October 10th, 2007, 09:28 PM
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Can you access the user control itself? If so then accessing the controls within it is a matter of exposing those controls (or properties of those controls) publicly in the user control class. It's better practice to expose the properties of the controls instead of the controls themselves so the controls remain truly encapsulated.

For example, you would expose the .Text property of an encapsulated textbox to provide public access to this user control's email address:

public partial class MyUserControl : System.Web.UI.UserControl
{
   protected TextBox txtEmailAddress;

   public string EmailAddress{
      get{ return txtEmailAddress.Text; }
      set{ txtEmailAddress.Text = value; }
   }
}

-Peter
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Old October 11th, 2007, 10:32 AM
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Thanks Peter,

     But, I'm not able to access the user control itself. Accessing the user control is the big task for me now.

-Jay

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Old October 11th, 2007, 01:24 PM
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Usually you would access a control inside a repeated item during an event related to the item itself, such as ItemDataBound or ItemCreated. The event names vary by control but follow the same general naming pattern. The handler is passed an event args class that has the item itself as a member.

For example:

Inside your item template you have a textbox:

   <asp:textbox runat="server" id="myTextBox" ... />

Within the event handler you can get the template's control instance from the item like this:

   TextBox myTextBox = (TextBox)e.Item.FindControl("myTextBox")
   //Use the myTextBox instance to do what you want.

The same technique can be applied to instances of your user control. You just need to find the control by name and convert it to the correct type to get at the control's members.

-Peter
 


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