我有一个DropDownList中继器。我在itembound事件中设置此列表的数据源并设置selectedindex。当我调试selectedindex被设置,但是当页面完成加载所有项目时,默认项目被选中。在转发器中设置Dropdownlist的Selectedindex/selectedvalue不起作用
这是我的代码:
protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
var ddl = (DropDownList)e.Item.FindControl("DataFeedItems");
ddl.DataSource = FilterDropDownData();
ddl.DataTextField = "ColumnName";
ddl.DataValueField = "ColumnName";
ddl.DataBind();
ddl.SelectedValue = "Select";
ddl.SelectedIndex = 28;
}
protected DataTable FilterDropDownData() { var importedFeedColums = I make the table here; DataRow newRow = importedFeedColums.NewRow(); newRow[0] = "Selecteren"; importedFeedColums.Rows.Add(newRow); return importedFeedColums; }
我阿尔斯试图使用甚至下拉列表中的数据绑定,但这没有工作之一:
protected void DataFeedItems_DataBound(object sender, System.EventArgs e)
{
var ddl = (DropDownList) (sender);
ddl.SelectedValue = "Selecteren";
ddl.Items[28].Selected = true;
}
<asp:Repeater ID="Repeater1" runat="server"
onitemdatabound="Repeater1_ItemDataBound">
<ItemTemplate>
<li>
<label><%# DataBinder.Eval(Container.DataItem, "ColumnName") %></label>
<asp:DropDownList ID="DataFeedItems" ClientIDMode="Static" runat="server" DataSource='<%# FilterDropDownData() %>'
DataTextField="ColumnName" DataValueField="ColumnName" OnDataBound="DataFeedItems_DataBound" >
</asp:DropDownList>
<input id="Hidden1" runat="server" clientidmode="Static" type="hidden" value='<%# DataBinder.Eval(Container.DataItem, "ColumnName") %>' />
</li>
</ItemTemplate>
</asp:Repeater>
当我张贴表单我可以得到每个DropDownList的selectedvalue和文本。我在做什么错误
不工作要么:( – Ivo 2010-08-16 14:15:49
能在你身后张贴您整个代码和你的整个aspx页面此外,如何是FilterDropDownData()调用实现 – 2010-08-16 15:34:07
我加入了一些代码 – Ivo 2010-08-17 06:34:18