gridview中嵌套dropdownlist后，给dropdownlist绑定数据及赋值的问题
gridview里的dropdownlist是个模板列，每次打开页面时用RowDataBound给dropdownlist绑定数据

HTML code

<asp:TemplateField HeaderText="订货途径"><ItemTemplate><asp:DropDownList ID="DropDownList1" runat="server" ></asp:DropDownList></ItemTemplate></asp:TemplateField>

if (!IsPostBack)里绑定数据

C# code

            sqloldArrival.Connection = srcConnection;            sqloldArrival.CommandText = "select DHWays 订货途径 from xxx Where SheetID='" + sheetid + "' ";            sqloldArrival.CommandType = CommandType.Text;            daoldArrival.SelectCommand = sqloldArrival;            daoldArrival.Fill(dtoldArrival);            GvArrivalDetail.DataSource = dtoldArrival;            GvArrivalDetail.DataBind();            for (int i = 0; i < GvArrivalDetail.Rows.Count; i++)            {                DropDownList ddl = (DropDownList)GvArrivalDetail.Rows[i].Cells[10].FindControl("DropDownList1");                ddl.Enabled = false;//将ddl的状态设为禁用            }

RowDataBound：

C# code

        if (((DropDownList)e.Row.FindControl("DropDownList1")) != null)        {            DropDownList ddl = (DropDownList)e.Row.FindControl("DropDownList1");            ddl.Items.Clear();            ddl.Items.Insert(0, new ListItem("画册", "0"));            ddl.Items.Insert(1, new ListItem("样品", "1"));            ddl.Items.Insert(2, new ListItem("其他", "2"));                 }

这样做，每次打开页面时，因为RowDataBound的关系，dropdownlist都会被重建，如果我将这个ddl从“画册”改为“样品”，点更新后因为RowDataBound的关系，dropdownlist还是会被重建，显示的还是画册而不是我改动的样品。
请问这个要怎么改呢？
另外，如果某一行是“样品”，在打开页面时如何让这一行的ddl显示成样品呢？

[解决办法]
http://www.soaspx.com/dotnet/asp.net/Control/control_20091123_1732.html
这个应该对你有帮助
不要用RowDataBound来绑定数据，写到html里