Retrieve a column of the current row from the ontextchanged event of TextBox in the GridView template column!

The GridView template column has a TextBox, And the AutoPostBack attribute of TextBox is True. In the TextChanged event, you can use the following code to obtain the values of a column in the current row:

Code
Protected void number_TextChanged (object sender, EventArgs e)
{
TextBox t = (TextBox) sender;
GridViewRow drv = (GridViewRow) t. NamingContainer;
Int rowIndex = drv. RowIndex;
String coid = (Label) gdvList. Rows [drv. RowIndex]. FindControl ("lblCoId"). Text;
}