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Adding ComboBox to DataGridView in VB.NET

The DataGridView control provides TextBox, CheckBox, Image, Button, ComboBox and Link columns with the corresponding cell types. You can populate the drop down list used for all cells the same way you would populate a ComboBox drop down list, either manually through the collection returned by the Items property, or by binding it to a data source through the DataSource, DisplayMember, and ValueMember properties.

The following vb.net program shows how to add a ComboBox in Cell of a DataGridView control.




Imports System.Data.SqlClient
Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        DataGridView1.ColumnCount = 3
        DataGridView1.Columns(0).Name = "Product ID"
        DataGridView1.Columns(1).Name = "Product Name"
        DataGridView1.Columns(2).Name = "Product_Price"

        Dim row As String() = New String() {"1", "Product 1", "1000"}
        DataGridView1.Rows.Add(row)
        row = New String() {"2", "Product 2", "2000"}
        DataGridView1.Rows.Add(row)
        row = New String() {"3", "Product 3", "3000"}
        DataGridView1.Rows.Add(row)
        row = New String() {"4", "Product 4", "4000"}
        DataGridView1.Rows.Add(row)

        Dim cmb As New DataGridViewComboBoxColumn()
        cmb.HeaderText = "Select Data"
        cmb.Name = "cmb"
        cmb.MaxDropDownItems = 4
        cmb.Items.Add("True")
        cmb.Items.Add("False")
        DataGridView1.Columns.Add(cmb)

    End Sub
End Class

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