Accessing Controls from a datagrid

Posted Date: 20 May 2004	Resource Type: Articles	Category: ASP.NET/Web Applications
Author: Rakesh Chander Sharma	Member Level: Silver
Rating:	Points: 7

This is the first article i am submitting on this site. There are various issues that you may face when you work with live projects . In Asp.Net you have to customize controls and all this you dont get in books. I would like to tell you how to access various controls that you place in a datagrid.Suppose you have placed a checkbox in a datagrid and you want to perform some action for all those rows which have been checked. here is the way you go about checking all those checkboxes.


 For Each dgi In DTG.Items
            cb = CType(dgi.Cells(13).Controls(1), CheckBox)
            If cb.Checked Then
                        //task to be done here 
            End If
Next

Here in this code DTG represents the data grid and the cells represents the no. of colum on which the control has been placed,by default first row is represented as 0 . The control specifies the no. of that control.

In a similar way you can check a grid for other controls and access them accordingly.

Responses

Author: Jon Holmes 09 Jun 2004 Member Level: Bronze Points : 0

This works well. But to make it clearer for inexperienced .net developers you should include the declarations:

Dim dgi As DataGridItem
Dim cb As CheckBox

Apart from that it's great.

Author: Balasubramanian 25 Jun 2004 Member Level: Bronze Points : 0

Hi Rakesh sharma,
You code is used get control from server side, my sample used to get server side control from client side.

for(IntCount=0;IntCount{
if(MyForm.elements[IntCount].type=="text")
StrObjectValue=MyForm.elements[IntCount].value
}

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