Error with formView linked to ObjectDataSOurce that returns no data

Greetings all

I have a FormView, linked to an ObjectDataSource that gets it's data from a method in the business layer, which calls a stored procedure. This works fine. I then changed the stored proc, so that NO data is returned, for further testing.

The app falls over, complaining of an out of bounds index (see Error message and Page Source attached).

Any thoughts?


In advance, thanks!!!

    allanmark
EROR:
 
 Index was outside the bounds of the array.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
 
Exception Details: System.IndexOutOfRangeException: Index was outside the bounds of the array.
 
Source Error:
 
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
 
Stack Trace:
 
[IndexOutOfRangeException: Index was outside the bounds of the array.]
   System.ComponentModel.BaseNumberConverter.ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, Object value) +196
 
[Exception:  is not a valid value for Int32.]
   System.ComponentModel.BaseNumberConverter.ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, Object value) +610
   System.ComponentModel.TypeConverter.ConvertFromString(ITypeDescriptorContext context, CultureInfo culture, String text) +42
   System.ComponentModel.TypeConverter.ConvertFromInvariantString(String text) +62
   System.Web.UI.WebControls.ObjectDataSourceView.ConvertType(Object value, Type type, String paramName) +152
   System.Web.UI.WebControls.ObjectDataSourceView.BuildObjectValue(Object value, Type destinationType, String paramName) +262
   System.Web.UI.WebControls.ObjectDataSourceView.GetResolvedMethodData(Type type, String methodName, IDictionary allParameters, DataSourceOperation operation) +2033
   System.Web.UI.WebControls.ObjectDataSourceView.ExecuteSelect(DataSourceSelectArguments arguments) +3163
   System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +94
   System.Web.UI.WebControls.DataBoundControl.PerformSelect() +205
   System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +125
   System.Web.UI.WebControls.FormView.DataBind() +28
   System.Web.UI.WebControls.BaseDataBoundControl.EnsureDataBound() +104
   System.Web.UI.WebControls.FormView.EnsureDataBound() +209
   System.Web.UI.WebControls.CompositeDataBoundControl.CreateChildControls() +127
   System.Web.UI.Control.EnsureChildControls() +140
   System.Web.UI.Control.PreRenderRecursiveInternal() +124
   System.Web.UI.Control.PreRenderRecursiveInternal() +292
   System.Web.UI.Control.PreRenderRecursiveInternal() +292
   System.Web.UI.Control.PreRenderRecursiveInternal() +292
   System.Web.UI.Control.PreRenderRecursiveInternal() +292
   System.Web.UI.Control.PreRenderRecursiveInternal() +292
   System.Web.UI.Control.PreRenderRecursiveInternal() +292
   System.Web.UI.Control.PreRenderRecursiveInternal() +292
   System.Web.UI.Control.PreRenderRecursiveInternal() +292
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4774
 
 
 
SOURCE:
 
<%@ Page Language="C#" MasterPageFile="~/MimeMaster01.master" AutoEventWireup="true" CodeFile="People.aspx.cs" Inherits="People" Title="People" %>
<%@ MasterType VirtualPath="~/MimeMaster01.master" %>
 
<asp:Content ID="Content1" ContentPlaceHolderID="leftnav" Runat="Server" >  
 
    <center>
    <ajaxext:UpdatePanel ID="uppnlSelector" runat="Server" UpdateMode="Conditional">
    <ContentTemplate>
    <asp:Panel ID="pnlSelector" runat="Server">
        <asp:Panel ID="pnlSelOptions" runat="server" GroupingText=" Which records? " Width="200px" 
                   Height="65px" CssClass="smallGroupText" HorizontalAlign="Left">
            <asp:CheckBox ID="chkActive" runat="server" Text="Current ME members" Checked="true" CssClass="smallGroupText" AutoPostBack="true" OnCheckedChanged="chkActive_CheckedChanged" />   
            <br />
            <asp:CheckBox ID="chkInvolved" runat="server" Text="Involved in ME" Checked="true" CssClass="smallGroupText" AutoPostBack="true" OnCheckedChanged="chkInvolved_CheckedChanged" />    
        </asp:Panel>    
        <br />
    
        <asp:ListBox ID="lbxCouples" runat="server" CssClass="listbox" OnSelectedIndexChanged="lbxCouples_SelectedIndexChanged" AutoPostBack="True">    
        </asp:ListBox>
        <ajaxToolkit:ListSearchExtender ID="ajaxLstCouples" runat="server" TargetControlID="lbxCouples" PromptCssClass="ListSearchExtenderPrompt" ></ajaxToolkit:ListSearchExtender>
    </asp:Panel>
    <!-- <asp:Panel ID="pnlSelector" > -->
    </ContentTemplate>
    </ajaxext:UpdatePanel>
    
    </center>
        
</asp:Content>
 
<asp:Content ID="Content2" ContentPlaceHolderID="rightnav" Runat="Server">
 
    <ajaxext:UpdatePanel ID="uppnlSpousal" runat="server" UpdateMode="Conditional">
    <ContentTemplate>    
        
    <asp:Panel ID="pnlSpousalTitle" runat="server" CssClass="collapsePanelHeader"> 
        <asp:Image ID="imgCollapse" runat="server" ImageUrl="~/Graphics/expand.jpg"/>&nbsp;&nbsp;
            Spousal Details&nbsp;&nbsp;        
        <asp:Label ID="Label1" runat="server">(Show Details...)</asp:Label>
        <br />
    </asp:Panel><br />
    
    <asp:Panel ID="pnlSpousalContent" runat="server" CssClass="collapsePanel">        
 
       <ajaxToolkit:CollapsiblePanelExtender ID="cpe01" runat="Server" 
            TargetControlID="pnlSpousalContent"
            ExpandControlID="imgCollapse" 
        </ajaxToolkit:CollapsiblePanelExtender>
 
     
        <a name="theSpousalTop" ></a>  
                
        <br />
        
        <asp:FormView  ID="fvSpousal" runat="server" DefaultMode="ReadOnly" OnDataBound="fvSpousal_DataBound" DataSourceID="spousalODS"
                EnableViewState="true" DataKeyNames="C_Id,SP1_Id,SP2_Id" CssClass="smallFontSize" OnModeChanging="fvSpousal_ModeChanging" 
                OnItemCommand="fvSpousal_ItemCommand" OnItemUpdating="FvSpousal_ItemUpdating"  OnItemInserting="FvSpousal_ItemInserting">  
 
               
                <ItemTemplate>
                 <ajaxToolkit:ConfirmButtonExtender ID="cbe" runat="server"
            TargetControlID="btnDeleteI"
            ConfirmText="Are you sure you want to delete this couple?"  />
                &nbsp;&nbsp;
                <asp:Button ID="btnEditI"   runat="Server" Text="Edit" CssClass="buttons"  CommandName="EDIT"  />
                &nbsp;&nbsp;
		.....................
                <br />                
            </ItemTemplate> 
             
            <EditItemTemplate>
                &nbsp;&nbsp;
                <asp:Button ID="btnUpdateE"   runat="Server" Text="Update" CssClass="buttons"  CommandName="Update" />
                &nbsp;&nbsp;
		..................
                <br />        
            </EditItemTemplate>
                                       
        </asp:FormView>                       
        
    </ContentTemplate>
    </ajaxext:UpdatePanel>              
    <br />
 
        <asp:ObjectDataSource ID="spousalODS" runat="Server" TypeName="BusinessLogic.Business" DataObjectTypeName="DataTransferObjects.SpouseODS_DO"
            SelectMethod="GetCouple" UpdateMethod="SpousalODS_Update"  InsertMethod="SpousalODS_Insert" DeleteMethod="SpousalODS_Delete"
            OnSelected="spousalODS_Selected" OnSelecting="spousalODS_Selecting" OnUpdated="SpousalODS_Updated" OnInserted="SpousalODS_Inserted"
             OnDeleted="SpousalODS_Deleted"
     OldValuesParameterFormatString="{0}"  >
            <SelectParameters >
               <asp:QueryStringParameter Name="CoupleId"   DbType="Int32" Direction="Input"  />
            </SelectParameters>           
            <InsertParameters>
            <asp:Parameter Name="@newCoupleId" Direction="Output" Type="Int32" />
            </InsertParameters>
         </asp:ObjectDataSource>  
         
    <asp:ObjectDataSource ID="portfolioODS" runat="Server" SelectMethod="GetPortfolios" TypeName="BusinessLogic.Business">
    </asp:ObjectDataSource>    
    <asp:ObjectDataSource ID="titleODS" runat="Server" SelectMethod="GetTitles" TypeName="BusinessLogic.Business">
    </asp:ObjectDataSource>    
    
</asp:Content>

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allanmarkAsked:
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zweiConnect With a Mentor Software DeveloperCommented:
Exception:  is not a valid value for Int32.
You're trying to store a value to an int that is not an int somewhere.

I think it's line 137:

<asp:QueryStringParameter Name="CoupleId"   DbType="Int32" Direction="Input"  />

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0
 
GuitarRichCommented:
how did you change the stored proc? does it now return an empty resultset or does it just return out of the stored proc without returning any data? You'll need at least an empty resultset for the page to work ok I think.
0
 
allanmarkAuthor Commented:
Spot on!! Many thanks!!!
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