GetLastErrorString
method (DataWindows)
Description
Returns the text of the error message for the last database error
that occurred in the Web DataWindow server component.
Obsolete method
GetLastErrorString is obsolete and should not be used, because the
Web DataWindow technology is obsolete.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 |
string dwcontrol.GetLastErrorString ( ) |
|
Argument |
Description |
|---|---|
|
dwcontrol |
A reference to the DataWindow server |
Return value
Returns a string containing an error message 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