![](dotnetdiagramimages/MESCIUS_ActiveReports_GrapeCity_ActiveReports_ReportsCore_Data_DataProviders_ExcelSchemaProvider.png)
'宣言
Public Class ExcelSchemaProvider Implements GrapeCity.ActiveReports.Extensibility.Data.IDbSchemaProvider
public class ExcelSchemaProvider : GrapeCity.ActiveReports.Extensibility.Data.IDbSchemaProvider
System.Object
GrapeCity.ActiveReports.ReportsCore.Data.DataProviders.ExcelSchemaProvider