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Update not executing, GridView, ObejctDataSource

Posted By:      Posted Date: May 22, 2011    Points: 0   Category :ASP.Net

I have the following in my aspx page:

<asp:GridView ID="gvTracerReports" runat="server" AutoGenerateColumns="false" 
                EmptyDataText="No Saved Tracer Reports" Width="99%" DataSourceID="odsTracerReports" 
                AlternatingRowStyle-CssClass="alternatingGridItem" HeaderStyle-CssClass="gridHeader" 
                DataKeyNames="TraceQueryId" Visible="false" AllowSorting="true"  >
                    <asp:TemplateField HeaderText="Edit">
                        <HeaderStyle HorizontalAlign="Center" Wrap="False" CssClass="fieldname" />
                        <ItemStyle HorizontalAlign="Center" Wrap="False" />
                            <asp:LinkButton ID="lnkEdit" runat="server" Text="<img src='images/edititem.gif' border=0 />"
                            CommandName="Edit" CommandArgument='<%# Bind("TraceQueryId") %>' CausesValidation="False"  />
                            <asp:LinkButton ID="lnkUpdate" runat="server" CausesValidation="True" CommandName="Update" Text="Update"></asp:LinkButton> 
                            <asp:LinkButton ID="lnkCancel" runat="server" CausesValidation="False" Com

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