private void picupdate_Click(object sender, EventArgs e)
        {
            if (this.gridView1.FocusedRowHandle >= 0)
            {
                aers_tbl_hospdep data = this.gridView1.GetRow(this.gridView1.FocusedRowHandle) as aers_tbl_hospdep;

                if ((MessageBox.Show("确定要删除吗?", "询问", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes))
                {
                    int i = dal.Delete(data.HospdepId);
                    if (i > 0)
                    {
                        DataBind();
                    }
                    else
                    {
                        MessageBox.Show("删除失败!");
                    }
                }
            }
        }