CommandParameters.length Don't Match Parametervalues.length

Feb 24, 2008

I am trying to narrow down this problem.  Basically, I added 3 columns to my article table.  It holds the article id, article text, author and so on.  I tested my program before adding the additional field to the program.  The program works fine and I can add an article, and edit the same article even though it skips over the 3 new fields in the database.  It just puts nulls into those columns.

So, now I have added one of the column names I added in the database to the code. I changed my businesslogic article.vb code and the addarticle.aspx, as well as the New article area in the addartivle.aspx.vb  page. The form now has an additional textbox field for the ShortDesc which is a short description of the article.

This is the problem now:  The command parameters.length is 9 and there are 10 parameter values.  Right in the middle of the 10 values is the #4 value which I inserted into the code.  It says Nothing when I hover my mouse over the code after my program throws the exception in 17 below.  Why is  command parameters.length set to 9 instead of 10?  Why isn't it reading the information for value 4 like all the other values and placing it's value there and calculating 10 instead of 9? Where are these set in the program?  Sounds to me like they are hard coded in someplace and I need to change them to match everything else.
 1 ' This method assigns an array of values to an array of SqlParameters.
2 ' Parameters:
3 ' -commandParameters - array of SqlParameters to be assigned values
4 ' -array of objects holding the values to be assigned
5 Private Overloads Shared Sub AssignParameterValues(ByVal commandParameters() As SqlParameter, ByVal parameterValues() As Object)
6
7 Dim i As Integer
8 Dim j As Integer
9
10 If (commandParameters Is Nothing) AndAlso (parameterValues Is Nothing) Then
11 ' Do nothing if we get no data
12 Return
13 End If
14
15 ' We must have the same number of values as we pave parameters to put them in
16 If commandParameters.Length <> parameterValues.Length Then
17 Throw New ArgumentException("Parameter count does not match Parameter Value count.")
18 End If
19
20 ' Value array
21 j = commandParameters.Length - 1
22 For i = 0 To j
23 ' If the current array value derives from IDbDataParameter, then assign its Value property
24 If TypeOf parameterValues(i) Is IDbDataParameter Then
25 Dim paramInstance As IDbDataParameter = CType(parameterValues(i), IDbDataParameter)
26 If (paramInstance.Value Is Nothing) Then
27 commandParameters(i).Value = DBNull.Value
28 Else
29 commandParameters(i).Value = paramInstance.Value
30 End If
31 ElseIf (parameterValues(i) Is Nothing) Then
32 commandParameters(i).Value = DBNull.Value
33 Else
34 commandParameters(i).Value = parameterValues(i)
35 End If
36 Next
37 End Sub ' AssignParameterValues
38
39
40
41
 

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