Hi Mike,

thanks for the answer. I doing well with your sample but still have some problems and questions.

- how can i hide the border around the grid/columns? I only want checkbox, image, text, combo, with no border around.  I tried the following two lines, but with no success.

  tree.BorderStyle = UIElementBorderStyle.None; 

  tree.ShowRootLines = false;

-  How can i hide some columns in special rows? 

 As you can see in the picture, i only want to see the green comboColumn, but hide all red parts of the picture.

- I have problems to display my image in the imageColumn. i use a ImageList and what to set the image with its ImageList Name in the Column.

- The click on the Checkbox is not responding. which event/setting do i need?

Thanks for following up with your progress! Glad we could help. :)

Hi Mike,

your solution works fine, thats exactly what we want.

Hi Mike,

thx for your reply.

We want our customers to drop the list down and choose an item, but it shouldn't be possible to type into it.

I'll try your solution and give you feedback.

Greets

Jochen Rosenthaler said:

In my ComboBox i see the values of the ValueList properly. But unfortunately I'm able to write something in the combo by myself to an existing entry. I use comboColumn.AllowCellEdit = AllowCellEdit.Full; - if i use comboColumn.AllowCellEdit = AllowCellEdit.ReadOnly; - than i can not dropdown the comboBox and choose different values.

Just to clarify... what exactly do you want here? Are you saying you want the user to be able to drop down the list and see it, but not choose an item? Or are you saying they can choose an item from the list, but you don't want them to be able to type into the cell?

I'm not sure if the former is possible, but I believe the latter is. The wasiest way is to create an UltraComboEditor control and set it to DropDownList and apply it to the column. It sounds like you are already doing that, anyway. 

            if (includeComboColumn)
            {
                var comboColumn = columnSet.Columns.Add("Combo");
                comboColumn.DataType = typeof(int);

                UltraComboEditor ultraComboEditor = new UltraComboEditor();
                ultraComboEditor.DropDownStyle = DropDownStyle.DropDownList;
                this.Controls.Add(ultraComboEditor);
                comboColumn.EditorComponent = ultraComboEditor;

                var valueList = new ValueList();
                valueList.ValueListItems.Add(0, "Apple");
                valueList.ValueListItems.Add(1, "Banana");
                valueList.ValueListItems.Add(2, "Cherry");
                valueList.ValueListItems.Add(3, "Grape");
                valueList.ValueListItems.Add(4, "Watermelon");
                comboColumn.ValueList = valueList;
                comboColumn.AllowCellEdit = AllowCellEdit.Full;                
            }