"jmd.msdn" <jmd.msdn@newsgroup.nospam> wrote in message
news:uusIzkhnGHA.4328@TK2MSFTNGP04.phx.gbl...
> Hello, the following DataGridView eventhandler poses problem :
>
> // I am working with .NET 2.0 in Visual Studio 2005 Pro on a Windows XP
> SP2 computer
> // dgvLabels is a DataGridView control
> private void dgvLabels_CellFormatting(object sender,
> DataGridViewCellFormattingEventArgs e)
> {
>  try
>    {
> //  (1)      int colID = dgvLabels.Columns["colID"].Index;
> //  (2)      int colID = 0
>        if  ( e.ColumnIndex != colID ) return;
>        // format the data in the colID column...
>    }
>  catch ( Exception exc ) {}
> }
>
> If I un-comment the line (1) above, an exception is generated : "Object
> reference not set to an instance of an object."
> If I un-comment the line (2) above, NO exception is generated and all
> works fine
>
> The value of dgvLabels.Columns["colID"].Index is 0
> "colID" is the first column in my current table (it has 4 columns)
>
> Can someone helps ?
> Thanks
> jmd
>
>
>