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Old September 21st, 2005, 11:03 AM
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Default catching the OnSelectedIndexChanged event

How can I catch/Handle the OnSelectedIndexChanged of a Dropdown list control that is inside a datagrid?


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Old October 5th, 2005, 02:51 PM
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My experience is in using a table instead of a datagrid so I don’t know if it can be done in a datagrid or if you will have to resort to a DataList or DataTable but I am hoping you can glean something from it in either case. What I did was created a new control that inherited from the dropdown list with the addition of a variable that allowed me to check which line of the data it was triggered from. When I created the row for the datatable and thus the dropdown list I set this variable to the itemID value and created an event handler that handled the output from the dropdown list on each row of the data.

In the handler I then checked for this code to know which line triggered the event.
This isn’t the exact code (is coming from memory)and thus may need some tweaking but basically in C#::

private class myDropDownList: DropDownList()
int dataRowID

private void my DropDownListHandler(object sender, System.EventArgs e)
myDropDownList ddl=object as myDropDownList;

//rest of the handler code

let me know if this helps

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