VB.net combo box

Here is a code segment that runs successfully
In the part that is enclosed with ************************
I have a check box
When that box is checked we want to display a combo box that retrieves data from fccp.Resller.CompanyName
Could you help with the code to accomplish this?
Thanks in advance

Imports System.Data.SqlClient

Public Class CWActivityReport
    Inherits System.Web.UI.Page

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

    End Sub

    Protected Sub ButtonRunReport_Click(sender As Object, e As EventArgs) Handles ButtonRunReport.Click
        GetAddedClients()
        GetDeletedClients()
        UpdatePanelReport.Update()

    End Sub

    Private Sub GetAddedClients()
        Dim FCCP_SQL As SqlConnection = Nothing

        Dim FCCP_DATAADAPTOR As SqlDataAdapter = Nothing
        Dim dt As DataTable = Nothing

        Try
            FCCP_SQL = New SqlConnection
            FCCP_SQL.ConnectionString = ConfigurationManager.ConnectionStrings("FCCP_SQL").ConnectionString
            FCCP_DATAADAPTOR = New SqlDataAdapter
            dt = New DataTable
            'FCCP_DATAADAPTOR.SelectCommand = New SqlCommand("SELECT fccp_Reseller.CompanyName AS PartnerCompanyName, fccp_ResellerClients.CreatedDateTime, fccp_ResellerClients.CompanyName AS ClientCompanyName, fccp_ResellerClients.ClientCode AS CompanyCode FROM fccp_ResellerClients INNER JOIN fccp_Reseller ON fccp_ResellerClients.ResellerID = fccp_Reseller.ID WHERE (fccp_ResellerClients.Deleted = 0) AND (fccp_ResellerClients.CreatedDateTime Between @StartDate AND @EndDate) AND NOT fccp_Reseller.ResellerCode='f44' ORDER BY PartnerCompanyName, fccp_ResellerClients.CreatedDateTime ASC", FCCP_SQL)
            FCCP_DATAADAPTOR.SelectCommand = New SqlCommand("SELECT fccp_Reseller.CompanyName AS PartnerCompanyName, fccp_ResellerClients.CreatedDateTime, fccp_ResellerClients.CompanyName AS ClientCompanyName, fccp_ResellerClients.ClientCode AS CompanyCode FROM fccp_ResellerClients INNER JOIN fccp_Reseller ON fccp_ResellerClients.ResellerID = fccp_Reseller.ID WHERE (fccp_ResellerClients.CreatedDateTime Between @StartDate AND @EndDate) AND NOT fccp_Reseller.ResellerCode='f44' ORDER BY PartnerCompanyName, fccp_ResellerClients.CreatedDateTime ASC", FCCP_SQL)
            FCCP_DATAADAPTOR.SelectCommand.Parameters.AddWithValue("@StartDate", TextBoxStartDate.Text + " " + "0:00:00 AM")
            FCCP_DATAADAPTOR.SelectCommand.Parameters.AddWithValue("@EndDate", TextBoxEndDate.Text + " " + "11:59:59 PM")

            dt.Clear()
            FCCP_SQL.Open()
            FCCP_DATAADAPTOR.Fill(dt)

            RepeaterCreatedClients.DataSource = dt
            RepeaterCreatedClients.DataBind()

        Catch ex As Exception
            Debug.WriteLine(ex.Message)
        Finally
            If Not FCCP_SQL Is Nothing Then FCCP_SQL.Dispose()
            If Not FCCP_DATAADAPTOR Is Nothing Then FCCP_DATAADAPTOR.Dispose()
            If Not dt Is Nothing Then dt.Dispose()
        End Try
    End Sub

    Private Sub GetDeletedClients()
        Dim FCCP_SQL As SqlConnection = Nothing

        Dim FCCP_DATAADAPTOR As SqlDataAdapter = Nothing
        Dim dt As DataTable = Nothing

        Try
            FCCP_SQL = New SqlConnection
            FCCP_SQL.ConnectionString = ConfigurationManager.ConnectionStrings("FCCP_SQL").ConnectionString
            FCCP_DATAADAPTOR = New SqlDataAdapter
            dt = New DataTable
            FCCP_DATAADAPTOR.SelectCommand = New SqlCommand("SELECT fccp_Reseller.CompanyName AS PartnerCompanyName, fccp_ResellerClients.DeletedDateTime, fccp_ResellerClients.CompanyName AS ClientCompanyName, fccp_ResellerClients.ClientCode AS CompanyCode FROM fccp_ResellerClients INNER JOIN fccp_Reseller ON fccp_ResellerClients.ResellerID = fccp_Reseller.ID WHERE (fccp_ResellerClients.DeletedDateTime Between @StartDate AND @EndDate) AND NOT fccp_Reseller.ResellerCode='f44' ORDER BY PartnerCompanyName, fccp_ResellerClients.CreatedDateTime ASC", FCCP_SQL)
            'FCCP_DATAADAPTOR.SelectCommand = New SqlCommand("SELECT fccp_Reseller.CompanyName AS PartnerCompanyName, fccp_ResellerClients.DeletedDateTime, fccp_ResellerClients.CompanyName AS ClientCompanyName, fccp_ResellerClients.ClientCode AS CompanyCode FROM fccp_ResellerClients INNER JOIN fccp_Reseller ON fccp_ResellerClients.ResellerID = fccp_Reseller.ID WHERE (fccp_ResellerClients.Deleted = 1) AND (fccp_ResellerClients.DeletedDateTime Between @StartDate AND @EndDate) AND NOT fccp_Reseller.ResellerCode='f44' ORDER BY PartnerCompanyName, fccp_ResellerClients.CreatedDateTime ASC", FCCP_SQL)
            FCCP_DATAADAPTOR.SelectCommand.Parameters.AddWithValue("@StartDate", TextBoxStartDate.Text + " " + "0:00:00 AM")
            FCCP_DATAADAPTOR.SelectCommand.Parameters.AddWithValue("@EndDate", TextBoxEndDate.Text + " " + "11:59:59 PM")

            dt.Clear()
            FCCP_SQL.Open()
            FCCP_DATAADAPTOR.Fill(dt)

            RepeaterDeletedClients.DataSource = dt
            RepeaterDeletedClients.DataBind()

        Catch ex As Exception
            Debug.WriteLine(ex.Message)
        Finally
            If Not FCCP_SQL Is Nothing Then FCCP_SQL.Dispose()
            If Not FCCP_DATAADAPTOR Is Nothing Then FCCP_DATAADAPTOR.Dispose()
            If Not dt Is Nothing Then dt.Dispose()
        End Try
    End Sub

    Protected Sub SIP_CheckBox_CheckedChanged(sender As Object, e As EventArgs) Handles SIP_CheckBox.CheckedChanged
        Dim FCCP_SQL As SqlConnection = Nothing

        Dim FCCP_DATAADAPTOR As SqlDataAdapter = Nothing
        Dim dt As DataTable = Nothing
***************************************************************
        If SIP_CheckBox.Checked Then
            MsgBox("SIP check box was selected")

        End If
    End Sub
***************************************************************

End Class

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