Code
protected void Page_Load(object sender, EventArgs e)
        {
            

        }
         数据绑定
        public void DataBind()
        {
                       
            txt_SqNo.Text = ItemAllotDs.Tables["ItemAllot"].Rows[0]["Anoteno"].ToString();
            txt_Budget.Text = ItemAllotDs.Tables["ItemAllot"].Rows[0]["Budget"].ToString();
            DataSelectGrid.Rows.Clear();
            DataSelectGrid.DataSource = ItemAllotDetail;
            DataSelectGrid.DataBind();

        }

         protected void btn_Del_Click(object sender, EventArgs e)
         {
                  //操作数据源DataSet-ItemAllotDs，改变其中的值
                  DataBind();
         }