Gridview Exception

Discussion in 'ASP .Net Web Controls' started by msnews.microsoft.com, Aug 31, 2007.

  1. I've added code to delete a record withing the gridview.
    After the sub exits an exception is immediately thrown. I'm baffled by this
    one.

    Exception Details: System.FormatException: Input string was not in a correct
    format.

    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:

    [FormatException: Input string was not in a correct format.]
    System.Number.StringToNumber(String str, NumberStyles options,
    NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +2725283
    System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo
    info) +102
    System.Web.UI.WebControls.GridView.HandleEvent(EventArgs e, Boolean
    causesValidation, String validationGroup) +1143
    System.Web.UI.WebControls.GridView.RaisePostBackEvent(String
    eventArgument) +199
    System.Web.UI.WebControls.GridView.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String
    eventArgument) +7
    System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler
    sourceControl, String eventArgument) +11
    System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +174
    System.Web.UI.Page.ProcessRequestMain(Boolean
    includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102



    The Code:

    Protected Sub gvGrantHist_RowCommand(ByVal sender As Object, ByVal e As
    System.Web.UI.WebControls.GridViewCommandEventArgs) Handles
    gvGrantHist.RowCommand

    If e.CommandName = "Delete" Then

    Try

    Dim Id As Guid = New Guid(e.CommandArgument.ToString)

    DataRepository.Npd_GrantHistoryProvider.Delete(Id)

    LoadData()

    BindData()

    ClearForm()

    Me.ViewState.Add("Survey", _surveyObj)

    Catch ex As Exception

    ExceptionManager.Publish(ex)

    End Try

    End If


    End Sub



    The page was just fine until I added this code...
     
    msnews.microsoft.com, Aug 31, 2007
    #1
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