Private Sub frmCustomerIncidents_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim customersarray As New ArrayList
        customersarray = CustomerIncidentsDb.getCustomers()
        With cboCustomer
            .DataSource = customersarray
            .ValueMember = "CustomerID"
            .DisplayMember = "Company"

        End With
    End Sub

@@ The database part
    Public Shared Function getCustomers() As ArrayList

        Dim customerAL As New ArrayList
        Dim cmdGetCustomers As New SqlCommand
        Dim drCustomers As SqlDataReader
        Dim errors As New clsErrorMessages

        Dim sSqlSelect As String
        sSqlSelect = "Select CustomerID, Company from Customers"

        With cmdGetCustomers
            .Connection = GetTechSupportConnection
            .CommandText = sSqlSelect
            .CommandType = CommandType.Text
        End With

        Try
            cmdGetCustomers.Connection.Open()

            drCustomers = cmdGetCustomers.ExecuteReader(CommandBehavior.Default)
            Dim values() As Object = New Object(drCustomers.FieldCount) {}
            While drCustomers.Read

                drCustomers.GetValues(values)
                customerAL.Add(values)

            End While
        Catch ex As SqlException
            errors.SqlErrorMessage(ex)
        Catch ex As SystemException
            errors.SystemErrorMessage(ex)
        Finally
            cmdGetCustomers.Connection.Close()

        End Try
        Return customerAL


    End Function