//Bind data
private void BindData(string zeren)
{
U_ZCBU zc1 = new U_ZCBU();
DataSet ds1 = zc1.GetHaveZerenZc(zeren);
DataView dv = ds1.Tables[0].DefaultView;
dv.Sort = "num2";
this.GridView1.DataSource = dv;
this.GridView1.DataBind();
zc1.Close();
}