protected void ButtonDeleteRole_Click(object sender, EventArgs e)
        {
            bool          isRoleDeleted   = false;
            string        applicationName = this.DropDownApplicationsDeleteRole.SelectedValue;
            List <string> checkedRoles    = new List <string>();

            foreach (ListItem role in this.CheckBoxListApplicationRoles.Items)
            {
                if (role.Selected)
                {
                    checkedRoles.Add(role.Value);
                }
            }

            isRoleDeleted = RolesBLL.DeleteRoleForApplication(applicationName, checkedRoles);

            if (isRoleDeleted)
            {
                Utility.Clear(this.UpdatePanelDeleteRole.Controls);
                Utility.ShowMessageAfterPOST(Page, Utility.GetStatusMessage(StatusMessages.SuccessfullDeleteRole));
                PopulateGridViewApplicationsRoles();
            }
        }