>I have a class which starts like this:
>
>
>Imports System.Data.OleDb
>
>Public Class Data
>
> Public oDataAdapter As OleDbDataAdapter
> Public oDataSet As DataSet
> Public oDataView As DataView
> Public cSQL As String
> Public cConnectionString As String
> Public nCount As Integer
> Public oParameters As OleDbParameterCollection
>
>
>To instantiate it, I do something like this:
>
>
> Dim loDataProvider As Framework.Data = New Framework.Data
>
>
>Now, I need to add some parameters in the collection before doing something else. So, the instantiation code section now contains this:
>
>
> Dim loDataProvider As Framework.Data = New Framework.Data
> loDataProvider.oParameters.Add(New OleDbParameter("@Username", lcUsername))
>
>
>This doesn't give any error at design time. But, when I run it, I obtain:
>
>Object reference not set to an instance of an object
>
>Anyone would know what I have to adjust?
In the class definition, change Public oParameters As OleDbParameterCollection to Public oParameters As New OleDbParameterCollection.
Or change oParameters to a property and intialize it in the Get method.