您好我有两个用户控件。
第一个用户控件有一个按钮，第二个用户控件有一个弹出控件。 我在第一个用户控件中使用id = ctlPopUp
注册了第二个用户控件按钮的Onclick事件我必须显示弹出控件。
我试过
protected void btnUser_Click(object sender, EventArgs e)
{
var userCtlPopup = ctlPopUp.FindControl("pcDownload");
userCtlPopup.Visible = true;
}
It doesn't work. Can you please suggest?
Hi here is the user control markups:
POpupUsercontrol:
<div id="divDownload" runat="server" visible="true">
<dx:aspxpopupcontrol id="pcDownload" runat="server" showpagescrollbarwhenmodal="true"
clientinstancename="pcDownload" enableclientsideapi="true" modal="True" popuphorizontalalign="WindowCenter"
popupverticalalign="WindowCenter" showheader="false" allowdragging="True" enableanimation="False"
enableviewstate="False" width="600px" autoupdateposition="true" closeaction="CloseButton">
<ContentCollection>
<dx:PopupControlContentControl ID="PopupControlContentControl4" runat="server"
Width="100%">
<dx:ASPxPanel ID="ASPxPanel3" runat="server">
<PanelCollection>
<dx:PanelContent ID="PanelContent4" runat="server">
<div>
<table class="cChildTable">
<tr>
<td>
<h3>Download</h3>
</td>
</tr>
<tr>
<td class="auto-style1">
<div class="hr">
</div>
<asp:Label ID="lblDownLoadMessages" runat="server" CssClass="cMessageArea"></asp:Label>
</td>
</tr>
</table>
<table class="cChildTable" border="0">
<tr><td style="font:bold" colspan="2"><asp:Label ID="Title" runat="server" Text="Content Link Title"></asp:Label></td></tr>
<tr>
<td style="vertical-align: top; width: 30px; padding: 2px" rowspan="8">
<asp:CheckBox ID="chkImg" runat="server" AutoPostBack="True" Checked="true" />
</td>
<td style="vertical-align: top" rowspan="3">
<asp:Image runat="server" ID="imgUpload" Width="100px" Height="100px" Style="top: 0px;" AlternateText="No Image" />
</td>
<td>
<asp:CheckBox ID="chkName" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblName" runat="server" Text="Name:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtName" runat="server" CssClass="cText" Width="300px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkCompany" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblCompany" runat="server" Text="Company:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtCompany" runat="server" CssClass="cText" Width="300px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkAddress" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblAddress" runat="server" Text="Address:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtAddress" runat="server" CssClass="cText" Width="300px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td rowspan="5" style="vertical-align:top"><asp:LinkButton ID="lnkAddImg" runat="server"> </asp:LinkButton></td>
<td>
<asp:CheckBox ID="chkCtyStateZip" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblCtyStateZip" runat="server" Text="City, State Zip:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtCtyStateZip" runat="server" CssClass="cText" Width="300px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkPhone" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblPhone" runat="server" Text="Phone:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtPhone" runat="server" CssClass="cText" Width="150px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkFax" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblFax" runat="server" Text="Fax:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtFax" runat="server" CssClass="cText" Width="150px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkEmail" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblEmail" runat="server" Text="Email:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtEmail" runat="server" CssClass="cText" Width="150px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkOther" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblOther" runat="server" Text="Other:" Width="90px "></asp:Label>
</td>
<td>
<asp:TextBox ID="txtOther" runat="server" CssClass="cText" Width="150px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td colspan="4">
<div class="buttons">
<span id="span2" class="cBtnLeft"><span class="cBtnMid"><span class="cBtnRight">
<asp:Button ID="btnDownLoad" runat="server" Width="65px" CssClass="cBtnRight" Text="Download"
OnClick="btnDownLoad_Click"/>
</span></span></span><span id="span1" class="cBtnLeft"><span class="cBtnMid"><span
class="cBtnRight">
<asp:Button ID="btnCancel" runat="server" Width="65px" CssClass="cBtnRight" Text="Cancel"
Visible="true" OnClick="btnCancel_Click" />
</span></span></span>
</div>
</td>
</tr>
</table>
</div>
</dx:PanelContent>
</PanelCollection>
</dx:ASPxPanel>
</dx:PopupControlContentControl>
</ContentCollection>
</dx:aspxpopupcontrol>
</div>
Usercontrol where the popup user control is called
<asp:Panel runat="server" ID="pnlCategoryDetail" Width="100%">
<dx:ASPxDataView ID="dvMARCCategoryDetail" runat="server" Width="100%"
ClientInstanceName="dvMARCCategoryDetail" style="clear: both" ColumnCount="2" RowsPerPage="2" OnPageIndexChanged="dvMARCCategoryDetail_PageIndexChanged">
<itemtemplate>
<table>
<tbody>
<tr>
<td>
<table>
<tr>
<td>
<asp:Image ID="ModelImage" runat="server" ImageUrl='<%#Eval("ImageUrl") %>'>
</asp:Image>
</td>
<td>
<div style="width: 5px" class="Spacer">
</div>
</td>
</tr>
</table>
</td>
<td>
<table>
<tr>
<td>
<asp:Label ID="ModelLabel" runat="server" Text='<%# Eval("DocumentName") %>' Font-Bold="True"
>
</asp:Label></td>
</tr>
<tr>
<td style="text-align:left;padding-bottom:1em;">
<asp:Label ID ="txtText1" runat="server" Text="The May edition of News Brief contains seven newsworthy articles"></asp:Label>
</td>
</tr>
<tr>
<td>
<asp:Label ID ="txtText2" runat="server" Text="Suggested Subject Line: The May 2014 News Brief has arrived!"></asp:Label>
</td>
</tr>
<tr>
<td style="white-space:nowrap;">
<a id="clink2" style="width:60px">Content Link 1</a>
<asp:ImageButton ID="ImageButton2" runat="server" OnClick="btnArrow_Click" ImageUrl="~/Images/DownloadArrow.png" ToolTip="Download Item" style="padding-top:8px"/>
<asp:ImageButton ID="ImageButton1" runat="server" OnClick="btnAdd_Click" ImageUrl="~/Images/Add.png" ToolTip="Add Item" style="padding-top:8px"/>
</td>
<td> </td></tr>
</table>
</td>
</tr>
</tbody>
</table>
</itemtemplate>
<paddings padding="0px" />
<itemstyle height="50px">
</itemstyle>
</dx:ASPxDataView>
</asp:Panel>
<div id="divCategoryPopup" runat="server">
<downloadPopUp:categoryPopup id="ctlPopUp" runat="server"></downloadPopUp:categoryPopup>
</div>
点击btnArrow_Click后，应显示弹出式用户控件