private void ddlProperty_SelectedIndexChanged(object sender, EventArgs e) { DropDownList ddlPropertyName = (DropDownList)Master.FindControl("ddlProperty"); string PropertyName = ddlPropertyName.SelectedItem.Text; string PropertyVale = ddlPropertyName.SelectedItem.Value; GridView1.DataSource = uc.LoadBankDetails(PropertyVale); GridView1.DataBind(); // This Method will be Called. }