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我需要处理从数据列表中选择,但是循环遍历数据列表中项目的forech循环不起作用。基本上,如果复选框被选中,我想获取chekc box的工具提示中的电子邮件地址。数据统计量为零。有人可以帮我弄这个吗?在数据列表中循环失败
<ajaxToolkit:Accordion ID="Accordion1" runat="server" selectedIndex="0" FadeTransitions="true" FramesPerSecond="40" TransitionDuration="250" SuppressHeaderPostbacks="true" HeaderCssClass="Header">
<Panes>
<ajaxToolkit:AccordionPane ID="AccordionPane1" runat="server">
<Header>
<asp:LinkButton ID="lbtnSM" runat="server" Width="207px" Text="Users" Font-Bold="true" CssClass="GeneralText" /><br /><br />
</Header>
<Content>
<div class="emailleftcolumm">
<asp:DataList ID="dlSM" runat="server" DataKeyField="ID" OnItemCommand="dlSM_ItemCommand"
EnableViewState="false" Width="207px" OnItemDataBound="dlSM_ItemDataBound">
<HeaderStyle BorderWidth="1" BorderStyle="Inset" Font-Bold="true" />
<HeaderTemplate>
Select All <asp:CheckBox ID="chkSelectAll" runat="server" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="chkSelector" runat="server" Text='<%# Eval("firstname") + " " + Eval("lastname") + ", " + Eval("acronym") %>'
CssClass="GeneralText" ToolTip='<%# Eval("email") + ";" + Eval("altemail") %>'/> </ItemTemplate>
<AlternatingItemTemplate>
<div id="altbgcolor">
<asp:CheckBox ID="chkSelector" runat="server" Text='<%# Eval("firstname") + " " + Eval("lastname") + ", " + Eval("acronym") %>'
ToolTip='<%# Eval("email") + ";" + Eval("altemail") %>' CssClass="GeneralText" /> </div>
</AlternatingItemTemplate>
</asp:DataList>
</div>
</Content>
</ajaxToolkit:AccordionPane>
按钮单击事件处理程序是这样的:
protected void btnSend_Click(object sender, EventArgs e)
{
string _mailto = string.Empty;
string _subject = txtSubject.Text;
string _message = txtMessage.Text;
DataList DataList1 = (DataList)FindControl("DataList1");
foreach (DataListItem item in DataList1.Items)
{
CheckBox chkSelector = (CheckBox)item.FindControl("chkSelector");
if (chkSelector.Checked)
{
_mailto += chkSelector.ToolTip + ";";
}
}
// do mail call
// Clean up
lblEmailConfirm.Font.Bold = true;
lblEmailConfirm.Text = "Subject: " + _subject + " Message: " + _message;
txtSubject.Text = string.Empty;
txtMessage.Text = string.Empty;
}
你应该启用视图状态 – 2011-12-13 22:08:44
你DataList的ID是`dlSM`而不是`DataList1`。 'btnSend'在哪里?为什么用FindControl为DataList进行筛选? – 2011-12-13 22:14:15
@Tim:我纠正了这个ID,但没用。 btnSend位于手风琴之外,是点击发送电子邮件的表单的一部分。它火了,没有问题。自发布以来,我做了以下事情:DataList dlSM =(DataList)Master.FindControl(“ContentPlaceHolder1”)。FindControl(“Accordion1”)。FindControl(“AccordionPane1”)。FindControl(“dlSM”);.流程进入foreach,但在第一次迭代时退出。 – Risho 2011-12-13 22:21:25