private int DeleteOldData()
{
string RoleId = ddlRoleList.SelectedValue;
int PermissionId = Convert.ToInt32(ddlPermissionList.SelectedValue);
TabPermissionController tab_permission_obj = new TabPermissionController();
DataTable dt = tab_permission_obj.GetListByRoleIdPermissionId(RoleId, PermissionId);
int TabPermissionId = -1, result = -1;
for (int i = 0; i < dt.Rows.Count; i++)
{
TabPermissionId = Convert.ToInt32(dt.Rows[i]["TabPermissionId"].ToString());
result = tab_permission_obj.DeleteTabPermission(TabPermissionId);
}
return(result);
}