"Linda Liu [MSFT]" <v-lliu@online.microsoft.com> wrote in message
news:lPJjyOS6HHA.360@TK2MSFTNGHUB02.phx.gbl...
> Hi Marty,
>
> I performed a test based on your description and did reproduce the problem
> on my side.
>
> The reason of this problem is that the DataSet has the same name as the
> project default namespace.
>
> When you add an instance of the DataSet onto a form, the designer
> generates
> a line of code in the InitializeComponent method to new the DataSet
> instance and the type in this line of code is full name, i.e.
> "this.testDataSet = new TestDataSet.TestDataSet();". The problem is that
> the compiler considers the first 'TestDataSet' in this line of code to be
> a
> type, which is actually a namespace, so the compiler doesn't know what the
> second 'TestDataSet' refers to and throws a compilation error.
>
> To solve this problem, delete the DataSet named 'TestDataSet' in your
> project and add a new DataSet with a different name from the project
> default namespace.
>
> Hope this helps.
> If you have any question, please feel free to let me know.
>
> Sincerely,
> Linda Liu
> Microsoft Online Community Support
>
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