combobox

I am filling data as follows. 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.Add(list.NewRow()) 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" I want to deselect the values in the combo, I am using selectindex = -1 but it is nopt working it is displaying the 1 st record To select I am supposed to do 2 times selectindex = -1 . I am doing anything wrong. Please give me a solution for this

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