> Hi,
>
> I have an british ASP.Net 2.0 application which is doing what (should)
> be very simple. But I am having issues.
>
> On my page I have a GridView as follows (some tags excluded for easy
> reading):
>
> <asp:GridView ID="GridView1" runat="server"
> AutoGenerateColumns="False"
> DataSourceID="ObjectDataSource1" DataKeyNames="Id"
> OnRowUpdated="GridView1_RowUpdated">
> <Columns>
> <asp:BoundField DataField="CreateDate" HeaderText="Create
> Date"
> SortExpression="CreateDate"
> DataFormatString="{0:d}" ApplyFormatInEditMode="True"
> ReadOnly="True" HtmlEncode="False">
> <HeaderStyle Wrap="False" />
> </asp:BoundField>
> <asp:CommandField ButtonType="Image"
> CancelImageUrl="~/images/manager/false.gif"
> EditImageUrl="~/images/manager/edit.gif"
> ShowEditButton="True" UpdateImageUrl="~/images/manager/true.gif" />
> </Columns>
> </asp:GridView>
> This is bound to an ObjectDataSource defined as follows:
>
> <asp:ObjectDataSource ID="ObjectDataSource1" runat="server"
> SelectMethod="GetCampaigns"
> TypeName="B3.Mailer.BusinessEntities.Campaign"
> DataObjectTypeName="B3.Mailer.BusinessEntities.Campaign"
> InsertMethod="Insert" UpdateMethod="Update">
> <SelectParameters>
> <asp:SessionParameter Name="clientId"
> SessionField="ClientId"
> Type="Int32" />
> </SelectParameters>
> </asp:ObjectDataSource>
> The update method is defined as:
>
> public static void Update(Campaign campaign)
> {
> }
> However, when I edit a row in the GridView and press the update button
> I get the following error:
>
> [InvalidOperationException: Cannot convert value of parameter
> 'CreateDate'
> from 'System.String' to 'System.DateTime']
> System.Web.UI.WebControls.ObjectDataSourceView.ConvertType(Object
> value,
> Type type, String paramName) +485
>
> System.Web.UI.WebControls.ObjectDataSourceView.BuildObjectValue(Object
> value, Type destinationType, String paramName) +217
> System.Web.UI.WebControls.ObjectDataSourceView.BuildDataObject(Type
> dataObjectType, IDictionary inputParameters) +548
>
> System.Web.UI.WebControls.ObjectDataSourceView.ExecuteUpdate(IDictiona
> ry
> keys, IDictionary values, IDictionary oldValues) +1520
> System.Web.UI.DataSourceView.Update(IDictionary keys, IDictionary
> values,
> IDictionary oldValues, DataSourceViewOperationCallback callback) +179
> System.Web.UI.WebControls.GridView.HandleUpdate(GridViewRow row,
> Int32
> rowIndex, Boolean causesValidation) +1137
> System.Web.UI.WebControls.GridView.HandleEvent(EventArgs e, Boolean
> causesValidation, String validationGroup) +835
> System.Web.UI.WebControls.GridView.OnBubbleEvent(Object source,
> EventArgs
> e) +162
> System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs
> args) +56
> System.Web.UI.WebControls.GridViewRow.OnBubbleEvent(Object source,
> EventArgs e) +118
> System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs
> args) +56
> System.Web.UI.WebControls.ImageButton.OnCommand(CommandEventArgs e)
> +106
> System.Web.UI.WebControls.ImageButton.RaisePostBackEvent(String
> eventArgument) +200
> System.Web.UI.WebControls.ImageButton.System.Web.UI.IPostBackEventHand
> ler.RaisePostBackEvent(String eventArgument) +31
> System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler
> sourceControl, String eventArgument) +32
> System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
> +72
> System.Web.UI.Page.ProcessRequestMain(Boolean
> includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
> +3840
> This appears to be caused by the date being in UK format (dd/mm/yyyy -
> which is correct for this application) as dates which could also be in
> US format (i.e. 12/12/2005) do not throw this error.
>
> Both my browser and development machine are set to en-gb but there is
> no Culture attribute set on the @Page tags on the page.
>
> Is this a bug in the ObjectDataSource not conforming to globalization
> or am I missing somthing?
>
> Any help you can give will be much appreciated. Thanks in advance for
> your help.
>
> Regards,
>
> Anne.
>

"Brock Allen" wrote:

> Perhaps this is your problem:
>
> http://wintellect.com/WEBLOGS/wintellect/archive/2005/11/17/2363.aspx
>
> -Brock
> DevelopMentor
> http://staff.develop.com/ballen
>
> > Hi,
> >
> > I have an british ASP.Net 2.0 application which is doing what (should)
> > be very simple. But I am having issues.
> >
> > On my page I have a GridView as follows (some tags excluded for easy
> > reading):
> >
> > <asp:GridView ID="GridView1" runat="server"
> > AutoGenerateColumns="False"
> > DataSourceID="ObjectDataSource1" DataKeyNames="Id"
> > OnRowUpdated="GridView1_RowUpdated">
> > <Columns>
> > <asp:BoundField DataField="CreateDate" HeaderText="Create
> > Date"
> > SortExpression="CreateDate"
> > DataFormatString="{0:d}" ApplyFormatInEditMode="True"
> > ReadOnly="True" HtmlEncode="False">
> > <HeaderStyle Wrap="False" />
> > </asp:BoundField>
> > <asp:CommandField ButtonType="Image"
> > CancelImageUrl="~/images/manager/false.gif"
> > EditImageUrl="~/images/manager/edit.gif"
> > ShowEditButton="True" UpdateImageUrl="~/images/manager/true.gif" />
> > </Columns>
> > </asp:GridView>
> > This is bound to an ObjectDataSource defined as follows:
> >
> > <asp:ObjectDataSource ID="ObjectDataSource1" runat="server"
> > SelectMethod="GetCampaigns"
> > TypeName="B3.Mailer.BusinessEntities.Campaign"
> > DataObjectTypeName="B3.Mailer.BusinessEntities.Campaign"
> > InsertMethod="Insert" UpdateMethod="Update">
> > <SelectParameters>
> > <asp:SessionParameter Name="clientId"
> > SessionField="ClientId"
> > Type="Int32" />
> > </SelectParameters>
> > </asp:ObjectDataSource>
> > The update method is defined as:
> >
> > public static void Update(Campaign campaign)
> > {
> > }
> > However, when I edit a row in the GridView and press the update button
> > I get the following error:
> >
> > [InvalidOperationException: Cannot convert value of parameter
> > 'CreateDate'
> > from 'System.String' to 'System.DateTime']
> > System.Web.UI.WebControls.ObjectDataSourceView.ConvertType(Object
> > value,
> > Type type, String paramName) +485
> >
> > System.Web.UI.WebControls.ObjectDataSourceView.BuildObjectValue(Object
> > value, Type destinationType, String paramName) +217
> > System.Web.UI.WebControls.ObjectDataSourceView.BuildDataObject(Type
> > dataObjectType, IDictionary inputParameters) +548
> >
> > System.Web.UI.WebControls.ObjectDataSourceView.ExecuteUpdate(IDictiona
> > ry
> > keys, IDictionary values, IDictionary oldValues) +1520
> > System.Web.UI.DataSourceView.Update(IDictionary keys, IDictionary
> > values,
> > IDictionary oldValues, DataSourceViewOperationCallback callback) +179
> > System.Web.UI.WebControls.GridView.HandleUpdate(GridViewRow row,
> > Int32
> > rowIndex, Boolean causesValidation) +1137
> > System.Web.UI.WebControls.GridView.HandleEvent(EventArgs e, Boolean
> > causesValidation, String validationGroup) +835
> > System.Web.UI.WebControls.GridView.OnBubbleEvent(Object source,
> > EventArgs
> > e) +162
> > System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs
> > args) +56
> > System.Web.UI.WebControls.GridViewRow.OnBubbleEvent(Object source,
> > EventArgs e) +118
> > System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs
> > args) +56
> > System.Web.UI.WebControls.ImageButton.OnCommand(CommandEventArgs e)
> > +106
> > System.Web.UI.WebControls.ImageButton.RaisePostBackEvent(String
> > eventArgument) +200
> > System.Web.UI.WebControls.ImageButton.System.Web.UI.IPostBackEventHand
> > ler.RaisePostBackEvent(String eventArgument) +31
> > System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler
> > sourceControl, String eventArgument) +32
> > System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
> > +72
> > System.Web.UI.Page.ProcessRequestMain(Boolean
> > includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
> > +3840
> > This appears to be caused by the date being in UK format (dd/mm/yyyy -
> > which is correct for this application) as dates which could also be in
> > US format (i.e. 12/12/2005) do not throw this error.
> >
> > Both my browser and development machine are set to en-gb but there is
> > no Culture attribute set on the @Page tags on the page.
> >
> > Is this a bug in the ObjectDataSource not conforming to globalization
> > or am I missing somthing?
> >
> > Any help you can give will be much appreciated. Thanks in advance for
> > your help.
> >
> > Regards,
> >
> > Anne.
> >
>
>
>