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Classic ASP Basics For beginner programmers starting with "classic" ASP 3, pre-".NET." NOT for ASP.NET 1.0, 1.1, or 2.0
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Old February 3rd, 2005, 09:51 AM
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Default Unique Control IDs inside a loop using a varible

I'm trying to loop through a recordset and display the entires. No Problem.

Each entry has boolean, which corresponds to a checkbox. No Problem

Now after a user changes the checkboxes and a final update function is called I need to see which chekboxes have been changed and update the SQL data accordingly. Sounds easy enough.

So I should give each checkbox a unique name, since I'm inside a loop this SHOULD be a no-brainer. however I can't seem to use variables in the ID paramater of an ASP:Checkbox???

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Old February 3rd, 2005, 10:07 AM
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For each record you would be having a unique id in the table right? Add that as an ID to checkbox which creating. When user submits now you get the ID's of those checkbox which were clicked and update the DB accordingly.

Best Regards

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Old February 3rd, 2005, 10:44 AM
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Yes each record has an ID in the table, and it's passed to the page.

However when I try to reference the entry ID to use as a control ID:

<asp:checkbox runat="server" ID=<%=SurveyRow["ID"] %> />

The error "Server tags cannot contain <% ... %> constructs" is returned. So What if I tried to set a varible "e" then use it:

    foreach(DataRow SurveyRow in Table)
        string e = SurveyRow["ID"];
 <asp:checkbox runat="server" ID=<%=SurveyRow["PkSurveyID"] %> />

Is there a way to reference "e" or???

Thanks Josh!

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