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POAsp ModalPopupExtender not displaying detail view
 

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  1. POAsp ModalPopupExtender not displaying detail view
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    <p>I am using a ModalPopupExtender within an updatePanel to show a detailView when a user selects a "Details" Button within a GridView.</p> <p>The problem is that when the button is selected the popup is not being displayed. I have stepped through the code and the mdlPopup.Show() method is being executed but the popup does not "Show" Could someone perhaps help me out with what is happening? Here is my Code:</p> <pre><code>&lt;asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="GetRequests" TypeName="RequestDAL" SortParameterName="SortExpression"&gt;&lt;/asp:ObjectDataSource&gt; &lt;asp:ObjectDataSource ID="ObjectDataSourceDetails" runat="server" SelectMethod="GetRequestsDetail" OnSelecting="OdsDetail_Selecting" TypeName="RequestDAL"&gt;&lt;/asp:ObjectDataSource&gt; &lt;asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="RequestID" DataSourceID="ObjectDataSource1" EnableModelValidation="True" AllowSorting="True" CellPadding="10" ForeColor="#333333" GridLines="None" OnSelectedIndexChanged="gv_SelectedIndexChanged"&gt; &lt;AlternatingRowStyle BackColor="White" /&gt; &lt;Columns&gt; &lt;asp:CommandField ShowSelectButton="True" /&gt; &lt;asp:BoundField DataField="DateSubmit" HeaderText="DateSubmit" SortExpression="DateSubmit" /&gt; &lt;asp:BoundField DataField="Name" HeaderText="Name" SortExpression="lName" /&gt; &lt;asp:BoundField DataField="FirstDate" HeaderText="Date" SortExpression="FirstDate" /&gt; &lt;asp:BoundField DataField="BeginTime" HeaderText="Begin Time" SortExpression="beginTime" /&gt; &lt;asp:BoundField DataField="EndTime" HeaderText="End Time" SortExpression="endTime" /&gt; &lt;asp:BoundField DataField="Lab" HeaderText="Lab" SortExpression="room" /&gt; &lt;asp:BoundField DataField="ClassName" HeaderText="Class" SortExpression="Class" /&gt; &lt;asp:BoundField DataField="Semester" HeaderText="Semester" SortExpression="term" /&gt; &lt;asp:BoundField DataField="RequestID" HeaderText="RequestID" SortExpression="id" /&gt; &lt;asp:TemplateField&gt; &lt;ItemTemplate&gt; &lt;asp:LinkButton ID="btnDetails" runat="server" Text="Details" CommandName="Select" /&gt;&lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;/Columns&gt; &lt;EditRowStyle BackColor="#2461BF" /&gt; &lt;FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /&gt; &lt;HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /&gt; &lt;PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" /&gt; &lt;RowStyle BackColor="#EFF3FB" /&gt; &lt;SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" /&gt; &lt;/asp:GridView&gt; &lt;asp:Panel ID="pnlPopup" runat="server" Style="display: none" Width="500px"&gt; &lt;asp:UpdatePanel ID="updatePnlRequestDetail" runat="server" UpdateMode="Conditional"&gt; &lt;ContentTemplate&gt; &lt;asp:Button ID="btnShowPopup" runat="server" Style="display: none" /&gt; &lt;Ajax:ModalPopupExtender ID="mdlPopup" runat="server" TargetControlID="btnShowPopup" PopupControlID="pnlPopup" CancelControlID="btnClose" BackgroundCssClass="modalBackground" /&gt; &lt;asp:Label ID="lblRequestDetail" runat="server" Text="Request Detail" BackColor="LightBlue" Width="95%"&gt;&lt;/asp:Label&gt; &lt;asp:DetailsView ID="dvRequestDetail" DataSourceID="ObjectDataSourceDetails" runat="server" DefaultMode="Edit" Width="95%" BackColor="White" Visible="false"&gt; &lt;Fields&gt; &lt;asp:BoundField HeaderText="Id" DataField="RequestID" /&gt;&lt;/Fields&gt; &lt;/asp:DetailsView&gt; &lt;asp:LinkButton runat="server" ID="btnClose" Text="Close" CausesValidation="false"&gt;&lt;/asp:LinkButton&gt; &lt;/ContentTemplate&gt; &lt;/asp:UpdatePanel&gt; &lt;/asp:Panel&gt; protected void gv_SelectedIndexChanged(object sender, EventArgs e) { //show the detail view to render dvRequestDetail.Visible = true; // force the databinding dvRequestDetail.DataBind(); // update the detail panel updatePnlRequestDetail.Update(); //show the popup mdlPopup.Show(); } protected void OdsDetail_Selecting(object sender, ObjectDataSourceSelectingEventArgs e) { try { e.InputParameters["id"] = Convert.ToString(this.GridView1.DataKeys[this.GridView1.SelectedIndex].Value); } catch(Exception ex) { throw new Exception(ex.Message); } } </code></pre> <p>This is all taken from a tutorial I found for using Modal Popup extenders with ObjectDataSources <a href="http://mattberseth.com/blog/2008/04/masterdetail_with_the_gridview.html" rel="nofollow noreferrer">http://mattberseth.com/blog/2008/04/masterdetail_with_the_gridview.html</a></p>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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