protected void drpnewaction_SelectedIndexChanged(object sender, EventArgs e) { DropDownList ddl = (DropDownList)sender; GridViewRow row = (GridViewRow)ddl.NamingContainer; int rowIndex = row.RowIndex; Label lblfirstname = (Label)row.FindControl("lblfirstname"); Label lbllastname = (Label)row.FindControl("lbllastname"); Label lblphonenumber = (Label)row.FindControl("lblphonenumber"); Label lblemail = (Label)row.FindControl("lblemail"); Label lbluserid = (Label)row.FindControl("lbluserid"); Label lblsecurityanswer = (Label)row.FindControl("lblsecurityanswer"); txtfirstnamedemo.Text = lblfirstname.Text; txtlastnamedemo.Text = lbllastname.Text; txtphonenumberdemo.Text = lblphonenumber.Text; txtemaidemo.Text = lblemail.Text; txtsecurityanswer.Text = lblsecurityanswer.Text; hfuserid.Value = lbluserid.Text; lblvalidatemessege.Text = ""; if (ddl.SelectedValue == "Delete") { int userid = 0; if (hfuserid.Value != null && hfuserid.Value != "") { userid = Convert.ToInt32(hfuserid.Value); } dsdelete = loginDA.deleteusermasterdata(userid); if (dsdelete != null && dsdelete.Tables[0].Rows.Count > 0) { if (dsdelete.Tables[0].Rows[0]["COUNT"].ToString() == "0") { lblvalidatemessege.Text = "Data Deleted Successfully."; BindGridviewdata(); } } } if (ddl.SelectedValue == "Change") { divchangedata.Attributes.Add("style", "display"); } if (ddl.SelectedValue == "Query") { divquery.Attributes.Add("style", "display"); } }