Windows Forms FAQ resources

21. Windows Forms ComboBox

Here are some snippets. (Courtesy of Michael Lang)

[C#]

DataTable list = new DataTable();

list.Columns.Add(new DataColumn("Display", typeof(string)));

list.Columns.Add(new DataColumn("Id", typeof(int)));

list.Rows.Add(list.NewRow());

list.Rows[0][0] = "one";

list.Rows[0][1] = 1;

list.Rows[1][0] = "two";

list.Rows[1][1] = 2;

list.Rows[2][0] = "three";

list.Rows[2][1] = 3;

comboBox1.DataSource = list;

comboBox1.DisplayMember = "Display";

comboBox1.ValueMember = "Id";

[VB.NET]

Dim list As New DataTable()

list.Columns.Add(New DataColumn("Display", GetType(String)))

list.Columns.Add(New DataColumn("Id", GetType(Integer)))

list.Rows.Add(list.NewRow())

list.Rows(0)(0) = "one" '

list.Rows(0)(1) = 1 '

list.Rows(1)(0) = "two" '

list.Rows(1)(1) = 2 '

list.Rows(2)(0) = "three" '

list.Rows(2)(1) = 3 '

comboBox1.DataSource = list

comboBox1.DisplayMember = "Display"

comboBox1.ValueMember = "Id"