"Null" as parameter value and that is not always a valid parameter value.
If you specify System.Type.Missing the interop layer will call the method
with a correct default parameter value based on the type library.
You can try the following
Call the logon2 method as follows
Object missingType = System.Type.Missing;
axapta2.Logon2(missingType, missingType,missingType,
missingType, missingType, missingType,
missingType,missingType,missingType,missingType);
this will use the default configuration for logon.
and then try doing this.
axapta2.Logon2(null,null,null,null,null,null,null,null,null,null);
Calling logon2 with null's as paramter will fail with an "Invalid argument"
exception.
This is because "Null" is not a valid paramter value for several of the
parameters in the "Logon2" method.
br
Lars
_____
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Andreas
Rudischhauser
Sent: Wednesday, January 18, 2006 12:31 AM
To: [email protected]
Subject: AW: [development-axapta] Re: Axapta ComConnector
What's the problem with null? How is that interpreted?
________________________________
Von: [email protected]
[mailto:[EMAIL PROTECTED] Im Auftrag von Lars
Mikkelsen
Gesendet: Mittwoch, 18. Januar 2006 03:43
An: [email protected]
Betreff: RE: [development-axapta] Re: Axapta ComConnector
When doing com interop with C# and you want to omit an optional
parameter
you should always use the C# special type System.Type.Missing
In this case you should change your statement to
Object missingType = System.Type.Missing;
AxaptaQuery = axapta.CreateObject("query", missingType, missingType,
missingType, missingType, missingType, missingType);
The advantage of doing this is that the com interop layer automatically
specifies the missing parameters for you.
This is the same as in VB.NET where you can write
AxaptaQuery = axapta.CreateObject("query")
Br
Lars
_____
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Martin
Sujkowski
Sent: Monday, January 16, 2006 12:03 PM
To: [email protected]
Subject: [development-axapta] Re: Axapta ComConnector
Which line in your c sharp code produces the error?
For starters i would replace all the empty string arguments you're
using in your axapta calls with null arguments like this:
change:
AxaptaQuery = axapta.CreateObject("Query","","","","","","");
TO:
AxaptaQuery = axapta.CreateObject
("Query",null,null,null,null,null,null);
--- In [email protected], "Andreas Rudischhauser"
<[EMAIL PROTECTED]> wrote:
>
> I want to create an .Net application that needs to fetch all the
> records in the emplTable.
>
>
>
>
>
> Add one field with no value
>
>
>
> Further the application will have to
> delete all records in a "work table". My first question is how do
I
> delete records from an Axapta table?
>
>
>
> Use ExecuteStatement or something for sql ... or use the Dictionary
> Methods from AOT like this
>
>
>
> IAxaptaObject axDictionary =
> this.AxNetMapper.Axapta.CreateObject
("Dictionary",null,null,null,null,nu
> ll,null);
>
> object o =
> axDictionary.Call("tableObject",this.Id,null,null,null,null,null);
>
> if (o != null)
>
> {
>
> IAxaptaObject axTable = (IAxaptaObject)o;
>
> return axTable;
>
> }
>
> else
>
> {
>
> throw new Exception("Die Tabelle " +
this.Name +
> " konnte nicht geladen werden");
>
> }
>
>
>
>
>
> My second question is why I get the following error when the
> application exits:
>
> "Runtime error!"
> program: "....AXCOM\AXCOM.vshost.exe
> R6025
> - Pure Virtual Function call
>
>
>
>
>
>
>
>
>
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