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  1. marskills

    How to update a db table with data in an unbound datatable

    Newbie here - So I apologise in advance if the answer is straight forward... I have a datagridview that is bound to a datatable. This datatable is created programatically and NOT bound to a database table. How do I save the data that I've added to the datatable (dtGridData) to the Database...
  2. marskills

    How to populate a DataGridView without binding to a Database

    Hello All, I'm new to .Net (VB 2005) and would like some advice on what methodology should be used to populate a DataGridView. The scenario is an orders screen with some text fields such as txtOrderItem, txtOrderQTY and a DataGridView. When a button cmdAddItem is pressed the data in the...
  3. marskills

    Error: Key cannot be null. Parameter name: key

    Thanks for the reply but still the same error message. The SQL statement works and returns the record when used in the mySQL Query Browser and in the VB 2005 Query Browser. Rory
  4. marskills

    Error: Key cannot be null. Parameter name: key

    Hello, I'm using VB 2005, mySQL 5.0 and the built in Crystal Reports wizard. I've tried many ways to get a report to show data but I keep ending up with the error message: Key cannot be null. Parameter name: key I do not have any null keys nor am I using any parameters, and now I have no...
  5. marskills

    VB05 Newbie: How to access a datasets data

    Thank you Maytel. That does clear things up. Kind regards, Rory
  6. marskills

    VB05 Newbie: How to access a datasets data

    Hello all, I'm a vb6 programmer who has finally committed to move to .Net and I'm starting my first project. I'm using VB 2005 and mySQL for the database. I've so far been able to load data into a datatable or dataset but I don't know how to access the data in it. In vb6 I would use the...

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