The get/post request variable to be used to specify the specific connection that is to run on this page. All other connections will be ignored.
Page Call: default.aspx?ConnectionName=MyConnection
The get/post request variable to be used to send custom XML into this page to be parsed as data.
Page Call: default.aspx?CustomXML=<NewDataSet><Data><Title>Title</Title></Data></NewDataSet>
The get/post request variable to be used to have the web part enter debug mode, so you can retrieve more information about any errors.
Page Call: default.aspx?DebugMode=true
The get/post request variable to be used to deactivate the web part.
Page Call: default.aspx?OverrideXML=true
The get/post request variable to be used to have the web part filter the content rendered to the screen.
Page Call: default.aspx?Filter= NewDataSet/Data[Status='NotStarted']
The get/post request variable to be used to have the web part output content to the page, disregarding anything else that may be on the page.
Page Call: default.aspx?DataOnly=true
The get/post request variable to be used to designate that this is the web part being requested and will be the only one to run on the page.
Page Call: default.aspx?WebPartID=ThisWebPartName