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Editable ComboBox in Datagridviewcolumn

Posted By:Mohanraj       Posted Date: July 17, 2012    Points: 40    Category: DataGrid    URL: http://www.dotnetspark.com  

To make the Editable DatagridviewComboBoxcolumn which contains n number of items we can use the datagridview EditingControlShowing Event. By using this event we can avoid scrolling the entire list for selecting a single item. Instead of that we can just type the first letter of the item then the combobox will dropdown the suggestions, from the suggestions we can select the required item


DataGridViewComboBoxColumn combo1 = new DataGridViewComboBoxColumn();

combo1.DisplayStyle = DataGridViewComboBoxDisplayStyle.ComboBox;

combo1.DataSource = tdotsupp;//Fill the item from the datasource


private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)


ComboBox com = e.Control as ComboBox;

if (com != null)


com.SelectedIndex = -1;

com.DropDownStyle = ComboBoxStyle.DropDown;

com.AutoCompleteMode = AutoCompleteMode.SuggestAppend;

com.AutoCompleteSource = AutoCompleteSource.ListItems;




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