i want to bind two combobox in datagridview . in want on the selected index of first column1 the filer value is in column2.. then the value of column2 will vary according to first value in...

with code ....

Private Sub column_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) Handles column0ComboBox.SelectedIndexChanged
Dim dstemp As New DataSet

sqry = "sp_binditemsize"
SqlCom = New SqlCommand(sqry, mycon)
SqlCom.CommandType = CommandType.StoredProcedure
SqlCom.Parameters.Add("@code ", SqlDbType.BigInt).Value = 1
SqlCom.Parameters.Add("@itemid", SqlDbType.BigInt).Value = column0ComboBox.SelectedValue
AdpComm = New SqlDataAdapter(SqlCom)
AdpComm.Fill(dstemp, "tbItemMasterHeader")
DataGridView1.DataSource = dstemp.Tables("tbBranchMaster")

Try

Dim dstemp12 As New DataSet
sqry = "sp_binditemsize"
SqlCom = New SqlCommand(sqry, mycon)
SqlCom.CommandType = CommandType.StoredProcedure
SqlCom.Parameters.Add("@code ", SqlDbType.BigInt).Value = 1
SqlCom.Parameters.Add("@itemid", SqlDbType.BigInt).Value = column0ComboBox.SelectedValue
AdpComm = New SqlDataAdapter(SqlCom)
AdpComm.Fill(dstemp12, "tbBankMaster")
Column2.ValueMember = "itemsizeid"
Column2.DisplayMember = "SizeName"
Column2.DataSource = dstemp12.Tables(0)
'If (DataGridView1.CurrentRow.Index = 2) Then
DataGridView1.Rows(DataGridView1.CurrentRow.Index).Cells(1).Value = dstemp12.Tables(0).Columns(3)
'End If


'DataGridView1.Rows(DataGridView1.CurrentRow.Index).Cells(1).Value = dstemp12.Tables(0)


'B = Column2.ValueMember.ToString()
Catch ex As Exception
MsgBox(ex.Message)

End Try

End Sub