I'm almost sure the problem is with serialization of the dataset. When you
try to serialize a dataset with row errors, it will give you that error. So,
the problem is not specific to webservices. I think it's a bug in .NET
framework 1.1. I've posted about this issue also (and read others posts
regarding this also) and got no response from MS guys.
I read somewhere (don't remember the newsgroup) a post from someone saying
that MS has already admitted (not officially) it was a bug and it would be
solved in next service pack, but I couldn't confirm that information, as I
didn't see any post from Microsoft.
I hope Microsoft will provide us with some sort of fix or workaround to this
problem and I hope they at least respond to these growing number of posts
regarding this issue.
Sorry if MS already responded to this matter, but I've spent so many time in
searches regarding this and found nothing official!
Thanks,
Jorge Ribeiro
"Programatix" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Hi,
>
> I'm working on a project which includes WebServices and Windows Form
> application.
>
> The Windows Form application will call the WebServices to retrieve data
from
> database. The data will be returned as DataSet.
>
> Now, here's the problem. On .NET Framework 1.1, if any rows in the dataset
> returned contain errors (marked by calling the SetColumnError() method or
> setting the RowError property of the DataRow), I get the following error
> message in the Windows Form application,
>
> "There is an error in XML doument (1,xxxxxxx)"
>
> If I forced the Windows Form application to run on .NET Framework 1.0,
> everything works fine.
>
> Is this a bug? Or I need to make some code adjustment because of changes
to
> the Framework?
>
> Here's the partial code for the WebService project
>
> Code:
>
> <WebMethod()> _
> Public Function RetrieveDataSet() As DataSet
> Dim ds As New DataSet
> Dim dt As New DataTable
> Dim row As DataRow
> Dim i As Integer
>
> dt.TableName = "TestTable"
> dt.Columns.Add("TestColumn1", GetType(String))
> dt.Columns.Add("TestColumn2", GetType(Integer))
>
> ds.DataSetName = "TestDataSet"
> ds.Tables.Add(dt)
>
> For i = 0 To 10
> row = dt.NewRow
> row("TestColumn1") = "This is row " & i
> row("TestColumn2") = i
> dt.Rows.Add(row)
>
> ' The following code trigger the error after the DataSet
> ' is returned to the calling Window Form application
> row.SetColumnError("TestColumn1", "Error message here")
> Next
>
> Return ds
> End Function
>
>
>
> For the Windows Form application, you need to insert a datagrid control
> (assumed as datagrid1). It will look something like this,
>
> Code:
>
> Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As
> System.EventArgs) Handles MyBase.Load
> Dim ws As localhost.Service1
> Dim ds As DataSet
>
> Try
> ws = New localhost.Service1
> ds = ws.RetrieveDataSet
>
> Me.DataGrid1.SetDataBinding(ds.Tables(0), "")
> Catch ex As Exception
> MsgBox(ex.Message)
> Finally
> If (Not (ws Is Nothing)) Then
> ws.Dispose()
> End If
> End Try
> End Sub
>
>
> I really hope someone could help me out with this one.
>
> Thanks in advance.
>
> ps: Please, before anyone reply to state that I did not choose the
> appropriate groups when making this post a crossposts post, please know
that
> I'm currently in blind on what is causing this error. Is it the
WebService?
> or is it the ADO .Net? or is it Windows Form application? or is it VB
..Net?
> Well, it has something to do with WebService as it only happens to the
> DataSet returned by WebService. It also has something to do with ADO .Net
as
> I'm using DataSet. And it definitely has something to do with Windows Form
> application as if I force the Windows Form application project to run on
> .Net Framework 1.0, everything works fine.
>
>
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