返回一个包含行集的字符串格式。方法，getXML，TA…

代码说明：

This returns a string containing row sets in XML format. The method, GetXML, takes as parameters: DBService = SQL Server connection parameters, i.e. “Data Source=XXX Initial Catalog=YYY Integrated Security=SSPI ” ProcedureName = stored procedure, or query statement with parameter markers. Parameters = NULL for no query parameters or a variant containing either a scalar value or safe array of multiple query parameters. Make sure the client declares any parameter vector as an array of variants, i.e. in VB, Dim Params(1 to 3) as Variant … Scalar entries can be any type recognized by the STD_SWITCH macro defined in QueryHandler.cpp. Result = Output string that holds the resulting row set XML. DocumentElementName = optional specification of the XML root node name. Default value is “root”.-This returns a string containing row sets in XML format. The method, GetXML, takes as parameters: DBService = SQL Server connection parameters, i.e. “Data Source=XXX Initial Catalog=YYY In