I'm getting an IndexOutOfRangeException when paging a WebDataGrid. The grid loads data and allows me to page to the second page without issue. If I attempt to page back to the first page, I get the following:

Markup for the grid is below. The grid pulls the data through a SqlDataSource object.

<ig:WebDataGrid ID="wdgIncomeTransactions" runat="server" Height="435px" Width="99%"
    AutoGenerateColumns="False" StyleSetName="Windows7"
    EnableDataViewState="True" ViewStateMode="Enabled">
    <Behaviors>
        <ig:Sorting Enabled="true" SortingMode="Single" />
        <ig:Paging Enabled="true" PagerMode="NumericFirstLast" PageSize="50" />
        <ig:ColumnResizing Enabled="true" />
        <ig:Filtering Enabled="true" Visibility="Visible" />
        <ig:SummaryRow Enabled="false" EmptyFooterText="no results">
        </ig:SummaryRow>
    </Behaviors>
    <Columns>
        <ig:TemplateDataField Key="TransactionId" Width="50px">
            <ItemTemplate>
                <a href="NewTransaction.aspx?transactionId=<%# DataBinder.Eval(Container, "DataItem.TransactionId") %>">
                    <%# DataBinder.Eval(Container, "DataItem.TransactionId")%></a>
            </ItemTemplate>
            <Header Text="Id" />
        </ig:TemplateDataField>
        <ig:TemplateDataField Key="TransactionIdExport" Width="50px" Hidden="true">
            <ItemTemplate>
                <%# DataBinder.Eval(Container, "DataItem.TransactionId")%>
            </ItemTemplate>
            <Header Text="Id" />
        </ig:TemplateDataField>
        <ig:TemplateDataField Key="Status" Width="50px">
            <ItemTemplate>
                <%# DataBinder.Eval(Container, "DataItem.Status") %>
            </ItemTemplate>
            <Header Text="Status" />
        </ig:TemplateDataField>
        <ig:BoundDataField DataFieldName="Description" Key="Description" Footer-CssClass="accountingColumn"
            Width="100px">
            <Header Text="Description" />
            <Footer CssClass="accountingColumn"></Footer>
        </ig:BoundDataField>
        <ig:BoundDataField DataFieldName="Investment Type" Key="Investment Type" Footer-CssClass="accountingColumn"
            Width="50px">
            <Header Text="Type" />
            <Footer CssClass="accountingColumn"></Footer>
        </ig:BoundDataField>
        <ig:BoundDataField DataFieldName="Owner" Key="Owner" Footer-CssClass="accountingColumn">
            <Header Text="Owner" />
            <Footer CssClass="accountingColumn"></Footer>
        </ig:BoundDataField>
        <ig:BoundDataField DataFieldName="Investment" Key="Investment" Footer-CssClass="accountingColumn">
            <Header Text="Investment" />
            <Footer CssClass="accountingColumn"></Footer>
        </ig:BoundDataField>
        <ig:BoundDataField DataFieldName="NaturalAmount" DataFormatString="{0:c}" Width="100px"
            DataType="System.Decimal" Key="NaturalAmount" CssClass="accountingColumn">
            <Header Text="Amount" CssClass="accountingColumn" />
        </ig:BoundDataField>
        <ig:BoundDataField DataFieldName="DR" Key="DR">
            <Header Text="Debit Account" />
        </ig:BoundDataField>
        <ig:BoundDataField DataFieldName="CR" Key="CR">
            <Header Text="Credit Account" />
        </ig:BoundDataField>
        <ig:BoundDataField DataFieldName="BatchNumber" Key="BatchNumber" Width="25px">
            <Header Text="Batch" />
        </ig:BoundDataField>
        <ig:BoundDataField DataFieldName="Effective Date" DataType="System.DateTime" Width="75px"
            Key="Effective Date">
            <Header Text="Effective" />
        </ig:BoundDataField>
        <ig:BoundDataField DataFieldName="Allocated Date" DataType="System.DateTime" Width="75px"
            Key="Allocated Date">
            <Header Text="Allocated" />
        </ig:BoundDataField>
        <ig:BoundDataField DataFieldName="AddedBy" Width="75px" Key="AddedBy">
            <Header Text="User" />
        </ig:BoundDataField>
    </Columns>
</ig:WebDataGrid>