GetLastError (obsolete)
Description
Returns the error code of the last database error that occurred in
the Web DataWindow server component.
Obsolete method
GetLastError is obsolete and should not be used, because the Web
DataWindow technology is obsolete.
Applies to
|
DataWindow type |
Method applies to |
|---|---|
|
Web |
Server component |
Syntax
Web DataWindow server
component
|
1 |
long dwcontrol.GetLastError ( ) |
|
Argument |
Description |
|---|---|
|
dwcontrol |
A reference to the DataWindow server |
Return value
Returns a numeric error code for the last database error that
occurred.
If dwcontrol is null, the method returns null.
Usage
Call GetLastError and GetLastErrorString to get information about
database errors that caused SetAction, Update, Retrieve, and RetrieveEx to
return -1.
Examples
This code in a page server script calls Retrieve for the Web
DataWindow server component called dwComponent and gets information about
the database error if Retrieve fails:
|
1 2 3 4 5 6 7 8 |
retVal = dwComponent.Retrieve( ); if (retVal < 0) { Response.Write("Retrieval error: " + dwComponent.GetLastError( ) + "<BR>" + dwComponent.GetLastErrorString( ) + "<BR>"); } |
See also