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Visual Basic 2005 Basics If you are new to Visual Basic programming with version 2005, this is the place to start your questions. For questions about the book: Beginning Visual Basic 2005 by Thearon Willis and Bryan Newsome, ISBN: 0-7645-7401-9 please, use this forum instead.
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Old April 25th, 2006, 11:48 PM
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Default How do I write out a record to an SQL db table?

Visual Basic 2005 Express Edition:

I am trying to write out a record to an SQL database table:

Private Sub WriteOutRx()

Me.RxBindingSource.Current("PatientLastName") = PatientLastName <---Error on this line

Me.Validate()

Me.RxTableAdapter.Update(Me.RxDataSet.Rx)

End Sub

Below is the error message that I got:

NullReferenceException was Unhandled

Object variable or With block variable not set.

use the 'new' keyword to create an object instance.




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Old April 26th, 2006, 05:16 PM
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Verify the BindingSource in not empty.
You can do this by testing the BindingSource.Position property (must be greater than -1).


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