protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
 {
     if (e.CommandName == "Eliminar")
     {
         dsPolizaTableAdapters.ItemAseguradoSelectByIdTableAdapter itemAdapter = new dsPolizaTableAdapters.ItemAseguradoSelectByIdTableAdapter();
         itemAdapter.Delete(Convert.ToDecimal(e.CommandArgument.ToString()));
         gridItemsAsegurados.DataBind();
     }
 }