GridView中Dropdownlist数据绑定问题(急)
protected void gvDetail_RowCreated(object sender, GridViewRowEventArgs e)
{
if ((e.Row.RowState & DataControlRowState.Edit) == DataControlRowState.Edit)
{
DropDownList ddlCurrency = (DropDownList)e.Row.FindControl("ddlCuName");
ddlCurrency.Items.Clear();
MySqlProcedureParameter[] paramArray = new MySqlProcedureParameter[2];
paramArray[0].ParameterName = "?_iauto_id";
paramArray[0].SqlDbType = MySqlDbType.Int32;
paramArray[0].ParameterSize = 11;
paramArray[0].ParameterDirection = ParameterDirection.Input;
paramArray[0].ParameterValue = 0;
paramArray[1].ParameterName = "?_Cu_Name";
paramArray[1].SqlDbType = MySqlDbType.VarChar;
paramArray[1].ParameterSize = 20;
paramArray[1].ParameterDirection = ParameterDirection.Input;
paramArray[1].ParameterValue = "";
DataSet dsCurrency = businessFacade.ReadSystem(2, paramArray, "货币管理");
ddlCurrency.DataTextField = "Cu_Name";
ddlCurrency.DataValueField = "iauto_id";
ddlCurrency.DataSource = dsCurrency.Tables[0].DefaultView;
ddlCurrency.DataBind();
ddlCurrency.Items.Insert(0, "请选择");
}
}
前台
在gridview中用了模板列
<asp:TemplateField HeaderText="货币">
<EditItemTemplate>
<asp:DropDownList ID="ddlCuName" runat="server" Text='<%# Bind("cu_name") %>'>
</asp:DropDownList>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblCuName" runat="server" Text='<%# Bind("cu_name") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
问题是点编辑的时候ddlCurrency.DataBind()这里
会报"Eval()、XPath() 和 Bind() 这类数据绑定方法只能在数据绑定控件的上下文中使用。"
因为是新手,还请各位高手大哥帮忙指点问题出在哪