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[QUOTE="Roger Frei, post: 2931328"]
Hello ng,

I have a datagrid that is bound to a datasource. That works good so far. Now 
I want to add another column to my grid dynamically. That also works good 
until the first postback. The column is still there but for some reason its 
content is empty. I added the code underneath this post. The problem is that 
the delegate CreateCellTemplate is not called anymore. But why? I can't 
understand.. :-( Viewstate is enabled for the grid.

Code
(The grid is an infragistics one. however, i think that has no impact in 
that case.)

protected void Page_Load(object sender, EventArgs e) {

if (!Page.IsPostBack) {

// add column dynamically to grid
            TemplatedColumn col = new TemplatedColumn(true);

col.CellTemplate = new CompiledTemplateBuilder(new
BuildTemplateMethod(CreateCellTemplate));
            myGrid.Columns.Insert(1, col);
        }
    }

private void CreateCellTemplate(Control container) {

CellItem currentItem = (CellItem) container;

// cast it into my business object
        InvoiceEntity dataItem = (InvoiceEntity)currentItem.DataItem;

CheckBox chkBox = new CheckBox();
        chkBox.ID = "baseList." + dataItem.Id;
        container.Controls.Add(chkBox);
    }

Thanks in advance for your help!

Regards  Roger
[/QUOTE]

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