doubt on gridview textchanged event

[bala venkata siva ram kum]

hi friends,
this is balu.while i am working with gridview i am facing this problem.this code is running successfully in gridview edit event.but when i used the same code in textboxtext changed event.it is giving error.pls send me the solution.

 protected void TextBox2_TextChanged(object sender, EventArgs e)
    {
        foreach (GridViewRow row in GridView1.Rows)
        {
            string txtText = ((TextBox)((GridView)sender).Rows[row.RowIndex].FindControl("TextBox2")).Text;
           
        }
    }

[Frinavale]

It would help us to understand your problem better if you posted the error message that you are seeing.

-Frinny