private void Form1_Load(object sender, EventArgs e) { DataGridViewComboBoxColumn combo1 = new DataGridViewComboBoxColumn(); combo1.HeaderText = "Country"; combo1.Items.Add("Antarctica"); combo1.Items.Add("Australia"); combo1.Items.Add("Belgium"); combo1.Items.Add("Belarus"); combo1.Items.Add("Canada"); combo1.Items.Add("Candy"); combo1.Items.Add("Finland"); combo1.Items.Add("Albania"); combo1.Items.Add("India"); combo1.Items.Add("Barbados"); dataGridView1.Columns.Add(combo1); } private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e) { if (e.Control is DataGridViewComboBoxEditingControl) { ((ComboBox)e.Control).DropDownStyle = ComboBoxStyle.DropDown; ((ComboBox)e.Control).AutoCompleteSource = AutoCompleteSource.ListItems; ((ComboBox)e.Control).AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.SuggestAppend; } }
var
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