Hi,
I have read every possible thread about creating customer catagrid columns that inherit DataGridTextBoxColumn but nowhere can I find the answer to my problem.
I inherit a DataGridTextBoxColumn to implement a lookup of a sub object property so my grid can bind to, say, a Customers collection and see Customer Name and Customer PostCode where PostCode is a property of a sub object Address. Ok, now I can manage all that but where I am completely out of ideas and going very, very crazy is when and how are these columns painted!
To simplify my problem if I add a column that 'appears' to have an invalid MappingName how and where can I access it to draw it.
Dim cs As xxDataGridTextBoxColumn = New xxDataGridTextBoxColumn
cs.MappingName = "Customer.Address.Postcode"
ts1.GridColumnStyles.Add(cs)
I can see the column exists in my paint events for other valid (ie. simple) MappingNames and I can access the data through overriding the GetColumnValueAtRow and using reflection but I cannot for the life of me track down which event decides not to attempt to draw this column.
Please, please give me any pointers.
Clever DataGrid Column Frustration
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