[mapguide-users] Losing Session ID

Tue Apr 10 08:48:42 EDT 2007

Hi There,

I noticed that there are two <form> tags in that markup, one being
server-side and the other is not. 

You could be losing your session id because it is written to the non
server-side form. If you write the session id to both <form> tags, then
GetParameters() should retain that session id.

Hope that helps.

- Jackie

Micha Lehmann wrote:
> 
> Hi there,
> 
> i´m going to develop a streetname/housenumber search
> 
> i created a master detail drop down list in visual studio 2005 express 
> edition, right now i´m able to choose a ID from these list, the lists 
> are auto post back enabled, so the site is refreshing each time you 
> change a name and/or a number...and then i always loose my session ID
> 
> the same result if i´m starting a *.aspx from the task pane frame
> 
> whats causes this?
> 
> Thank you
> 
> Michael
> 
> 
> <%@ Page Language="C#"  Debug="true" %>
> <%@ Import Namespace = "OSGeo.MapGuide"%> <!--import der
> Klassenbibliotheken -->
> <!-- #Include File="utilityfunctions.aspx -->
> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
> 
> <script runat="server"> 
>     
>     protected void DropDownList1_SelectedIndexChanged(object sender,
> EventArgs e)
>     {
> 
>     }
>    
> </script>
> 
> <html xmlns="http://www.w3.org/1999/xhtml" >
> <head runat="server">
>     <title>Unbenannte Seite</title>
> 
> </head>
> <body>    
> 
>     <form id="form1" runat="server">
>     
>     <div>
>         <asp:DropDownList ID="DropDownList1" runat="server"
> DataSourceID="ObjectDataSource1"
>             DataTextField="C01" DataValueField="C02"
> OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged"
> AutoPostBack="True">
>         </asp:DropDownList>
>         <asp:DropDownList ID="DropDownList2" runat="server"
> AutoPostBack="True" DataSourceID="ObjectDataSource2"
>             DataTextField="C12" DataValueField="C01">
>             <asp:ListItem></asp:ListItem>
>         </asp:DropDownList>
>         <asp:ObjectDataSource ID="ObjectDataSource1" runat="server"
> InsertMethod="Insert"
>             OldValuesParameterFormatString="original_{0}"
> SelectMethod="GetData"
> TypeName="DataSet1TableAdapters.ALBSTRASSENTableAdapter">
>             <InsertParameters>
>                 <asp:Parameter Name="C01" Type="String" />
>                 <asp:Parameter Name="C02" Type="String" />
>             </InsertParameters>
>         </asp:ObjectDataSource>        
>         <asp:ObjectDataSource ID="ObjectDataSource2" runat="server"
> OldValuesParameterFormatString="original_{0}"
>             SelectMethod="GetDataByC13"
> TypeName="DataSet2TableAdapters.E1000TableAdapter">
>             <SelectParameters>
>                 <asp:ControlParameter ControlID="DropDownList1" Name="C13"
> PropertyName="SelectedValue"
>                     Type="String" />
>             </SelectParameters>
>         </asp:ObjectDataSource> 
>       </div>
>     </form>      
>     
>     <%
> // Display a form prompting the user to enter the beginning
> // portion of the parcel owners name. Submitting this form
> // replaces the content of this frame with a list of matching
> // results.
> 
> // If a Search has already been run and the results are still
> // visible (e.g. if the ParcelMarker layer is visible), then
> // display an button allowing the user to clear the previous
> // search results as well.
> 
> 
> String mgSessionId = GetParameters()["SESSION"];
> 
> 
> try
> {
>     // Initialize the web-tier and connect to the Tux Site using
>     // the Tux session identifier stored in PHP session state.
> 
>     InitializeWebTier();
> 
>     MgUserInformation userInfo = new MgUserInformation(mgSessionId);
>     MgSiteConnection siteConnection = new MgSiteConnection();
>     siteConnection.Open(userInfo);
> 
>     // Create a ResourceService object and use it to open the Map
>     // object from the sessions repository. Use the Map object to
>     // determine if the "ParcelMarker" layer is visible.
> 
>     MgResourceService resourceService =
> siteConnection.CreateService(MgServiceType.ResourceService) as
> MgResourceService;
>     MgMap map = new MgMap();
>     map.Open(resourceService, "Siel660355");
> 
>     //MgLayer layer = GetLayerByName(map, "ParcelMarker");
>     //showClearButton = (layer == null) ? false : layer.GetVisible();
> }
> catch (MgException mge)
> {
>     Response.Write(mge.GetMessage());
>     Response.Write(mge.GetDetails());
> }
> %>
>    
>     
>     <form method="post" action="suche2.aspx">
>     <p><input name="IDNR" type="text" value="<%=
> DropDownList2.SelectedValue%>" /></p>
>     <p><input name="sessionID" type="text" value="<%= mgSessionId%>"
> /></p>
>     <p><input type="submit" value="Suche" /></p>
>     </form>
>     
>     <%           
>         Response.Write(mgSessionId);  
>         
>      %>    
>     
>     
> </body>
> </html>
> 
> 

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