Setting the SelectedItemIndex in a DataGridCombobBoxColumn

How do I set the selected it开发者_如何转开发em index from code-behind in a DataGridComboBoxColumn?

Try looking into this example, I couldn't verify if it works but seems to http://blogs.msdn.com/b/vinsibal/archive/2008/10/31/wpf-datagrid-datagridcomboboxcolumn-v1-intro.aspx

Since you already know the Row Index and Column Index this should do the trick.

DataGridView.Rows[rowindex].Cells[columnindex].Value = "1"

You can set the value not the index.