AJH.CMS.WEB.UI.Admin.ManageRole_UC.btnRoleUserSave_Click C# (CSharp) Method

        void btnRoleUserSave_Click(object sender, EventArgs e)
        {
            if (ViewState[CMSViewStateManager.RoleID] != null)
            {
                try
                {
                    int RoleID = Convert.ToInt32(ViewState[CMSViewStateManager.RoleID]);
                    int UserID = 0;
                    int.TryParse(cddUsers.SelectedValue, out UserID);

                    if (RoleID > 0 && UserID > 0)
                    {
                        RoleManager.AddRoleUser(RoleID, UserID);
                    }
                    FillUsers(-1);
                    BeginUserAddMode();
                }
                catch (Exception ex)
                {
                    dvProblemUser.Visible = true;
                    dvProblemUser.InnerText = ex.Message;
                }
            }
        }
        #endregion