大哥們 幫我看看這個(gè)小問(wèn)題 呀 repeart控件，前面是個(gè)下拉框的input的select標(biāo)簽，怎么實(shí)現(xiàn)下拉框中的值更換了之后 后面數(shù)據(jù)也跟著變化呀
2 回答
千萬(wàn)里不及你
TA貢獻(xiàn)1784條經(jīng)驗(yàn) 獲得超9個(gè)贊
直接貼代碼了：
<ItemTemplate>
<tr >
<td>
<asp:DropDownList ID="DListNewsIsShow" runat="server" AutoPostBack="true" OnSelectedIndexChanged="DListNewsIsShow_SelectedIndexChanged">
<asp:ListItem Value="1">是</asp:ListItem>
<asp:ListItem Value="0">否</asp:ListItem>
</asp:DropDownList><asp:Label ID="LabId" runat="server" Visible="false" Text='<%# Eval("id") %>'></asp:Label>
</td>
</ItemTemplate>
...
//遍歷Rpt中DListNewsIsShow的數(shù)據(jù)讀取
protected void RptNew_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem || e.Item.ItemType == ListItemType.SelectedItem)
{
DataRowView rowv = (DataRowView)e.Item.DataItem;
DropDownList DListNewsIsShow = (DropDownList)e.Item.FindControl("DListNewsIsShow");
DListNewsIsShow.Items.FindByValue(rowv["isshow"].ToString()).Selected = true;
}
}
//異步更新新聞是否顯示
protected void DListNewsIsShow_SelectedIndexChanged(object sender, EventArgs e)
{
DropDownList DListFNewsIsShow = sender as DropDownList;
RepeaterItem item = DListFNewsIsShow.Parent as RepeaterItem; //轉(zhuǎn)為所在Item
Label LabFId = item.FindControl("LabId") as Label; //查找
NewsInfo newsInfoRpt = new NewsInfo();
newsInfoRpt.Id = LabFId.Text.ToString();
newsInfoRpt.IsShow = Convert.ToInt16(DListFNewsIsShow.SelectedValue.ToString());
if(news.Update(newsInfoRpt,"1")<=0)
{
ScriptManager.RegisterStartupScript(UpDPanelRptNews, typeof(UpdatePanel), "JsAlert", "alert('對(duì)不起，更新失敗！!')", true);
}
}
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