Cristal report loginfails with VB.NET web aplication

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VB

application

web

while verifydatabase from vb.net web application for the cristal report gives Log on failed.error. here is my code. I am using project data (class defined in my visual studio project) as Database Fields do it should not need any logon I belive.

Dim tmpWsAssetsManagement As New WsAssetsManagement
Dim tmpClsAssetCollection As New List(Of ClsAssetsItemsIndexCard_Record)()

Try
    ' Retrieve asset list from the SQL table using a web service to fill a DataTable
    Dim tmpClsAssetRecord As New ClsAssetsItemsIndexCard_Record
    tmpClsAssetRecord.ClsCustomerId = 1000 'ID
    Dim tmpDtAssetsManagement As DataTable = tmpWsAssetsManagement.AssetsCristalReport_SELECT("00", tmpClsAssetRecord, MyRcError)
    If Not String.IsNullOrEmpty(MyRcError) OrElse tmpDtAssetsManagement Is Nothing Then
        ' Handle error cases
        Throw New Exception("Error Generating Asset Report: " & MyRcError)
    ElseIf tmpDtAssetsManagement.Rows.Count <= 0 Then
        ' Handle case when no data is found
        Throw New Exception("No Data Found To Populate Asset Report.")
    End If

    ' Populate the class collection from the datatable retrieved
    tmpClsAssetCollection = PopulateItemDetailsFromDataTable(tmpDtAssetsManagement)

    '----- Load your Crystal Report file
    '-------------------------------------------------------------------------------------
    Dim rptPath As String = Server.MapPath("~/xxxxx/yyyyy.rpt")

    Dim rpt As New ReportDocument()
    rpt.Load(rptPath)

    ' logon the database
    CristalReportLogon(rpt)
    rpt.VerifyDatabase()
    ' Set the class collection as the report's data source
    rpt.SetDataSource(tmpClsAssetCollection)

    ' Set CrystalReportViewer to display the report
    rptVieverAssetsIndexCard.ReportSource = rpt
    rptVieverAssetsIndexCard.Visible = True

Catch ex As Exception
    ' Handle exceptions
    Dim tmpErrorCode As String = "(20000200001-2206-000) "
    Dim tmpErrorMessage As String = "- Critical Error Generating Asset Report."
    LblErrorMessage.Text = tmpErrorCode & tmpErrorMessage
    LblErrorMessage.Attributes.Add("style", "color:red")

    GlbLogKeepingOperations(tmpErrorCode, {LblErrorMessage.Text, ex.Message, Session("SesUserID").ToString})

Finally
    ' Clean up resources
    If Not IsNothing(tmpWsAssetsManagement) Then tmpWsAssetsManagement.Dispose()
    If Not IsNothing(tmpClsAssetCollection) Then tmpClsAssetCollection = Nothing
End Try

What I have tried:

with

rpt.VerifyDatabase()

line I get Login Failed error. If i remove that line report opens in the web application asking for logon credentials which i dont know what to put as it comes as class from the project.

Thanks in advance for all the help you provide.