how convert TextBox to ComboBox while editing an item in DataTreeListView?

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hi i have a DataTreeListView.I want to edit items. In editing on of the cells should cast to ComboBox.

when i write

C#

private void dataTreeListView1_CellEditStarting(object sender, CellEditEventArgs e)
        {
ComboBox responsiblePersonNameCombo = (ComboBox)e.Control;

}

vs got error:
casting TextBox to ComboBox is invalid!

i dont know what to do!

Posted 6-Jan-13 2:51am

maliheSadat

Updated 6-Jan-13 2:55am

Sandeep Mewara

v2

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Sandeep Mewara · Answer 1 · 2013-01-06T02:57:00

Solution 1

casting TextBox to ComboBox is invalid!
Error is quite straight forward and self explanatory.
e.Control is of datatype Textbox and thus when you try to cast into Combobox, you get the error.

Posted 6-Jan-13 2:57am

Sandeep Mewara

Comments

Espen Harlinn 6-Jan-13 9:22am

5'ed!

Krunal Rohit · Answer 2 · 2013-01-06T03:00:00

Solution 2

Simply try to change Dropdown behavior of your dropdown :

C#

private void dataTreeListView1_CellEditStarting(object sender, CellEditEventArgs e)
{
    comboBox1.DropDownStyle = ComboBoxStyle.Simple;
}

Posted 6-Jan-13 3:00am

Krunal Rohit