GetLastErrorString method (DataWindows)

Description

Returns
the text of the error message for the last database error that occurred
in the Web DataWindow server component.

Controls

DataWindow type	Method applies to
Web	Server component

Syntax

[Web DataWindow server component]

string <span>dwcontrol</span><span>.</span><span>GetLastErrorString</span> ( )

1	string <span>dwcontrol</span><span>.</span><span>GetLastErrorString</span> ( )

Argument	Description
dwcontrol	A reference to the DataWindow server component

Return Values

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:

retVal = dwComponent.Retrieve( );

1	retVal = dwComponent.Retrieve( );

if (retVal &lt; 0) {

1	if (retVal < 0) {

        Response.Write("Retrieval error: "

1	Response.Write("Retrieval error: "

            + dwComponent.GetLastError( )

1	+ dwComponent.GetLastError( )

            + "&lt;BR&gt;"

+ "<BR>"

            + dwComponent.<span>GetLastErrorString</span>( )

1	+ dwComponent.<span>GetLastErrorString</span>( )

            + "&lt;BR&gt;");

1	+ "<BR>");

}

}

August 20, 2023

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GetLastErrorString – PB Docs 150