Is there anything similar to a combobox that you can use on a webform? I need a control where the user can select and type in information.

Not that ships with VS, no. You will need to create your own control to do this. Google to the rescue:

http://www.google.com/search?hl=en&r...n+List&spell=1

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do you think it's possible to bind the data to a multiline textbox. Sort of like this? or does it only work with drop down lists?

Private Sub BindState(ByVal ddl As DropDownList)
        connAAP = New SqlConnection(Application("connAAP"))
        Dim cmdSelect As SqlCommand = New SqlCommand("Select distinct vchCompanyname from tblAAPInfo", connAAP)
        Dim dtrState As SqlDataReader

        Try
            connAAP.Open()
            dtrState = cmdSelect.ExecuteReader()

            'While dtrState.Read
            Dim newListItem As New ListItem
            ddlConame.DataSource = dtrState
            ddlConame.DataTextField = "vchcompanyname"
            ddlConame.DataBind()
            ' End While

            dtrState.Close()
            connAAP.Close()

        Catch er As Exception
            LogError(er.ToString, "BindState")
            Exit Try
        Finally
            connAAP.Close()
        End Try
    End Sub

As you propose, no.

This will place text into a multiline textbox with each element on its own line:

TextBox1.Text = "This is a test.\r\nfoo";

And the text in the box will look like this:
This is a test
foo

But this isn't functional for anything it would simply display data and you would have no notion of a DataText or DataValue field.

================================================== =========
Read this if you want to know how to get a correct reply for your question:
http://www.catb.org/~esr/faqs/smart-questions.html
================================================== =========
.: Wrox Technical Editor :.
Wrox Books 24 x 7
================================================== =========