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BOOK: ASP.NET 2.0 Instant Results ISBN: 978-0-471-74951-6
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Old September 25th, 2008, 11:49 AM
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Default DataList issue

On the WebShop checkout page, I'm trying to get textbox values from a datalist to the code behind page. I can get evry other value except those from the datalist.

From checkout.aspx.vb, in the Sub btnFinalize_Click section:



Dim theNotes As notes = New notes(notes.Text, DropDownList1.Text, lblPoNum.Text, TextBox3.Text)

notes.Text, DropDownList1.Text, lblPoNum.Text pull right from checkout.aspx.
TextBox3.text, however, does not and the only difference I can see is that it's in a datalist.

Any suggestions?
 
Old September 25th, 2008, 03:49 PM
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Default

Hi there,

Controls contained in repeating controls like the DataList are not directly accessible. You need to use FindControl to find the relevant control, like this:

Dim myTextBox As TextBox = CType(DataList1.FindControl("SomeTextBox", TextBox)

You cannot always call this, as the TextBox needs to be in scope. You typically call this from one of the events that the DataList raises.

Hope this helps,

Imar


---------------------------------------
Imar Spaanjaars
http://Imar.Spaanjaars.Com
Everyone is unique, except for me.
Author of Beginning ASP.NET 3.5 : in C# and VB, ASP.NET 2.0 Instant Results and Dreamweaver MX 2004
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