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Error inserting hidden fields into sql db

Posted on 2010-03-28
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Last Modified: 2012-05-09
I'm having difficulty inserting data into my sql database. I've got four fields; textAnswer, userID, assignmentID and date. None of these fields can contain NULL values. I'm getting the value for txtAnswer from the user, userID, assignmentID are coming from session variables and date is coming from <% date()%> . For some reason the normal insert statement is producing this error. Cannot insert the value NULL into column 'userID', table 'myClubonServer1.dbo.steps_answers'; column does not allow nulls. INSERT fails
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Question by:GMMC_man
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9 Comments
 
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Expert Comment

by:chapmandew
ID: 28908724
Sounds like your session variable is null.  are you using in-line SQL for the insert or stored procedures?
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Author Comment

by:GMMC_man
ID: 28910179
I have the values printing out on the page just to make sure they are there. They are all showing up.
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Expert Comment

by:chapmandew
ID: 28910204
post that SQL statement here.
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Author Comment

by:GMMC_man
ID: 28911084
<%
If (CStr(Request("MM_insert")) = "frmWorkbook") Then
  If (Not MM_abortEdit) Then
    ' execute the insert
    Dim MM_editCmd

    Set MM_editCmd = Server.CreateObject ("ADODB.Command")
    MM_editCmd.ActiveConnection = MM_connFCdata_STRING
    MM_editCmd.CommandText = "INSERT INTO dbo.steps_answers (Answer1, userID, AssignmentID, UpdateDate) VALUES (?, ?, ?, ?)"
    MM_editCmd.Prepared = true
    MM_editCmd.Parameters.Append MM_editCmd.CreateParameter("param1", 201, 1, -1, Request.Form("txtAnswer")) ' adLongVarChar
    MM_editCmd.Parameters.Append MM_editCmd.CreateParameter("param2", 5, 1, -1, MM_IIF(Request.Form("user"), Request.Form("user"), null)) ' adDouble
    MM_editCmd.Parameters.Append MM_editCmd.CreateParameter("param3", 5, 1, -1, MM_IIF(Request.Form("assignment"), Request.Form("assignment"), null)) ' adDouble
    MM_editCmd.Parameters.Append MM_editCmd.CreateParameter("param4", 135, 1, -1, MM_IIF(Request.Form("UpdateDate"), Request.Form("UpdateDate"), null)) ' adDBTimeStamp
    MM_editCmd.Execute
    MM_editCmd.ActiveConnection.Close

    ' append the query string to the redirect URL
    Dim MM_editRedirectUrl
    MM_editRedirectUrl = "AnswerProcess.asp?transID="
    If (Request.QueryString <> "") Then
      If (InStr(1, MM_editRedirectUrl, "?", vbTextCompare) = 0) Then
        MM_editRedirectUrl = MM_editRedirectUrl & "?" & Request.QueryString
      Else
        MM_editRedirectUrl = MM_editRedirectUrl & "&" & Request.QueryString
      End If
    End If
    Response.Redirect(MM_editRedirectUrl)
  End If
End If
%>

Here are the form fields
<textarea name="txtAnswer" cols="59" rows="8" id="txtAnswer" onblur="MM_validateForm('txtAnswer','','R');return document.MM_returnValue"></textarea></td>
<script type="text/javascript">
      CKEDITOR.replace( 'txtAnswer' );
</script>
<input name="user" type="hidden" id="user" value="<%Session("MM_userID")%>" />
      <input name="assignment" type="hidden" id="assignment" value="<%Session("MM_CurrentAssignment")%>" />
      <input name="UpdateDate" type="hidden" id="UpdateDate" value="<% Date() %>" />
      <input type="hidden" name="MM_insert" value="frmWorkbook" />
      <input type="submit" name="btnNext" id="btnNext" value="Next" />
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LVL 60

Expert Comment

by:chapmandew
ID: 28911281
seems like you don't want to be doing this IIF

    MM_editCmd.Parameters.Append MM_editCmd.CreateParameter("param2",  5, 1, -1, MM_IIF(Request.Form("user"), Request.Form("user"), null)) ' adDouble
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Author Comment

by:GMMC_man
ID: 28911526
I'm not a regular programmer.You are going to have to break it down to me.
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LVL 60

Expert Comment

by:chapmandew
ID: 28911648
Im not a web programmer, but the code looks like if the request.form("user") session variable is null, it just uses a NULL value.  
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Author Comment

by:GMMC_man
ID: 28913051
I'm not sure why that variable is not showing up int the form or the sql is not getting the info from the form. The variable is set and displaying.
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Accepted Solution

by:
GMMC_man earned 0 total points
ID: 29912869
I reset my insert code and placed the values within the execute statement instead of pulling them from the form.
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