private bool UnAssignRoleMenuMapping()
{
objRole = new Role();
objRoleBiz = new RoleBiz();
objRole.RoleId = Convert.ToByte(ddlUserRoleList.SelectedValue);
objRole.UpdatedBy = Convert.ToInt16(Session["UserId"].ToString());
objRoleBiz.UnAssignRoleMenuMapping(objRole);
return(true);
}