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Aug 30th, 2012, 01:05 PM
#12
Junior Member
Re: [RESOLVED] VB2005 Sum column in datagridview
I can't manage to work in VB2010...
Me.TextBox3.Text = VBTestDataSet.Invoices.Compute("sum(W)", String.Empty)
is not working; Error: "An error occurred creating the form. See Exception.InnerException for details. The error is: Conversion from type 'DBNull' to type 'String' is not valid."
Me.TextBox3.Text = Invoices.Compute("sum(W)", String.Empty)
is not working; Error : "An error occurred creating the form. See Exception.InnerException for details. The error is: Conversion from type 'DBNull' to type 'String' is not valid."
I must change <DBNull> to 0 ? Where ?
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