protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e, GridViewRowEventArgs e1) { if (e.CommandName == "click") { int _myColumnIndex1 = 0; string text = e1.Row.Cells[_myColumnIndex1].Text; String[] sentences = Regex.Split(text, @"(?<=[.!?])\s+(?=\p{Lt})"); } }