protected void AddedGrid_OnRowDeleting(object sender, GridViewDeleteEventArgs e)
{
var dataKey = AddedGrid.DataKeys[e.RowIndex];
if (dataKey == null)
{
return;
}
var userId = dataKey.Value.ToString();
var departmentId = int.Parse(Request.QueryString[QueryStringParameters.DepartmentId]);
_departmentDal.RemoveUser(departmentId, userId);
RefreshGrid();
}