If you're using VFP9, I suggest to switch to ICASE in your code - it will be simpler. Also, is it possible to hit the last case?

Finally, there is an alternative solution that may be simpler and doesn't involve the DynamicCurrentControl. Search here for

"Fabio Images Grid" to get to it.

>Hi @all,
>
>we have a Grid that shows Files; one Column shows an Icon dependent of the File Extension. The different imageControls are added to these column an shown by
>DYNAMICCURRENTCONTROL.
>
>Sometimes we got the Error:
>
>Expression is invalid. Use a valid expression for DYNAMICCURRENTCONTROL property.
>
>The Expression is always valid. Where does this error came from? No Errorhandler works... What can i do to
>
>

>with this
>		.AddColumn(this.ColumnCount + 1)
>
>		.Columns[this.ColumnCount].Header1.Caption = goTranslator.Translate("Art")
>		.Columns[this.ColumnCount].Header1.alignment = 2
>
>		.Columns[this.ColumnCount].Header1.ToolTipText = 'Art des Dokuments'
>		.Columns[this.ColumnCount].ToolTipText = 'Art des Dokuments'
>		
>		
>		.Columns[this.ColumnCount].Sparse = .f.
>		.Columns[this.ColumnCount].Alignment = 2
>		.Columns[this.ColumnCount].Width = 30
>				
>		.Columns[this.ColumnCount].inputmask= "!!!"
>		
>		* Excel
>		.Columns[this.ColumnCount].NewObject("imgExcel", "GridImage", "images")
>		.Columns[this.ColumnCount].imgExcel.Picture = "pictures\Excel.bmp"
>		.Columns[this.ColumnCount].imgExcel.BackStyle = 0
>		
>		* Word.
>		.Columns[this.ColumnCount].NewObject("imgWord", "GridImage", "images")
>		.Columns[this.ColumnCount].imgWord.Picture = "pictures\word.bmp"
>		.Columns[this.ColumnCount].imgWord.BackStyle = 0
>		
>		* PDF
>		.Columns[this.ColumnCount].NewObject("imgPDF", "GridImage", "images")
>		.Columns[this.ColumnCount].imgPDF.Picture = "pictures\PDF.bmp"
>		.Columns[this.ColumnCount].imgPDF.BackStyle = 0
>		
>		.Columns[this.ColumnCount].NewObject("imgMSG", "GridImage", "images")
>		.Columns[this.ColumnCount].imgMSG.Picture = "pictures\mail216x16.bmp"
>		.Columns[this.ColumnCount].imgMSG.BackStyle = 0
>		
>		.Columns[this.ColumnCount].DynamicCurrentControl = "iif(vwDokumente2.dokArt = 'XLS', 'imgExcel', iif(vwDokumente2.dokArt='DOC', 'imgWord', iif(vwDokumente2.dokArt='PDF', 'imgPDF', iif(vwDokumente2.dokArt='MSG','imgMSG','Text1'))))"
>
>		.Columns[this.ColumnCount].ControlSource = "dokArt"
>
>endwith
>