public void FillSbjForStudent()
{
            if (bASStudentBindingSource.Current != null)
            {
                DataRowView dr = (DataRowView)this.bASStudentBindingSource.Current;
                BASStudentManager manger = new BASStudentManager();
                ThreadStart starter = delegate
              {
                  manger.FillBASSbjForStudent(this.dsSbjForStudent.BASSbjForStudent, new Guid(dr["StudentID"].ToString()));
              };
                loading.Loading(starter);
            }
}

public class BASLoading
    {
        public static bool IsOpen = false;

        public void Loading(ThreadStart starter)
        {
            #region 加载数据动态效果
            try
            {
                TBI.BaseUserControl.FrmLoading frm = new FrmLoading();
                IsOpen = false;                

                starter += delegate {
                    while (true)
                    {
                        
                        if (IsOpen)
                        {
                            frm.Close();
                            break;
                        }
                        
                    }
                };
                Thread th = new Thread(starter);
                th.Start();
                frm.ShowDialog();
            }
            catch(Exception ex)
            {
                
            }
            #endregion
        }
    }