How to populate a ComboBox based on another ComboBox using a connection string (SQL Server, VB.NET)

Question

When a user selects a client from combobox 1 (a company we do work with and are partners with), its supposed to populate the users from combobox 2 for that client only, which ne

Answer 1

You just do what you have done in the load section in an if statement inside your user section.

sort of like :

    `If cboClient.SelectedItem.Text = "Google" then
     (code to populate the other combobox with google info)
     End if`


     `If cboClient.SelectedItem.Text = "Yahoo" then 
        dim sql as string = "Select firstName+ " " +lastname as empName from 
        Yahoo table"
        dim cmd as sqladapter(sql, con)
        dim dt as datatable
        cmd.fill(dt)
        cboUsers.datasource = dt
        cboUsers.Datatextfield = "empName"
        cboUsers.Datavaluefield = "empName"
        cboUsers.DataBind()
     End if


        Dim sql2 As String = "Select EQPnumber, EQPdesc from CREW_LINEUP_ACTIVE_EQUIPMENT"
        Dim activeEQPadt As New SqlDataAdapter(sql2, IPMS.Settings.conn)
        activeEQPadt.Fill(activeDT)
        ActiveEQPLstBx.DataSource = activeDT
        ActiveEQPLstBx.DataTextField = "EQPdesc"
        ActiveEQPLstBx.DataValueField = "EQPnumber"
        ActiveEQPLstBx.DataBind()