类型:Microsoft.SqlServer.Management.Common. . :: . .ISfcConnection AISfcConnectionobject. sfcQueryExpression 类型:Microsoft.SqlServer.Management.Sdk.Sfc. . :: . .SfcQueryExpression ASfcQueryExpressionobject. 返回值 类型:System.Collections. . :: . .IEnumerable AnIEnumerableobject....