Imports System 
Imports System.Data 
Imports System.Data.SqlClient 
Partial Class _Default 
    Inherits System.Web.UI.Page 
    Dim mydts As New DataSet 
    Dim myclasscnn As New ctlconnection 
    Dim mytbname As String = "customers" 
 
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load 
        Call loaddata 
        Call addcolumntodropdownlist
    End Sub 
    Private Sub loaddata
        Dim mycmd As New SqlCommand 
        mycmd = fnccmdcustomerlist(DropDownList1.Text, TextBox2.Text) 
        mydts = myclasscnn.fncreaddata(mydts, mycmd, mytbname) 
    End Sub 
    Private Sub addcolumntodropdownlist
        For Each myClmn As DataColumn In mydts.Tables(mytbname).Columns 
            DropDownList1.Items.Add(myClmn.ColumnName) 
        Next 
    End Sub 
 
    Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click 
        Call loaddata
        GridView1.DataSource = mydts 
        GridView1.DataMember = mytbname 
        GridView1.DataBind
    End Sub 
 
    Protected Sub GridView1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.SelectedIndexChanged 
        dim myrow as integer = gridview1.selectedindex 
        dim grdvrow as gridviewrow = gridview1.rows(myrow) 
        dim mylinkbutton as linkbutton = ctype(grdvrow.findcontrol("linkbutton1"),linkbutton) 
        dim mycustomerid as string =mylinkbutton.text 
        response.redirect("default2.aspx?customerid=" & mycustomerid) 
       ' TextBox1.Text = Request.QueryString("customerid") 
    End Sub 
End Class 
 
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