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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GetLastError is obsolete and should not be used, because the Web DataWindow technology is obsolete.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

long dwcontrol.GetLastError ( )

Argument

Description

dwcontrol

A reference to the DataWindow server component


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: 

retVal = dwComponent.Retrieve( );
if (retVal < 0) {
      Response.Write("Retrieval error: " 
         + dwComponent.GetLastError( ) 
         + "<BR>"
         + dwComponent.GetLastErrorString( )
         + "<BR>");
}

See also

GetLastErrorString

Retrieve

Update

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