返回给定 DbGeography 值的坐标系标识符。命名空间: System.Data.Entity.Spatial 程序集: EntityFramework(在 EntityFramework.dll 中)语法VB 复制 声明Public MustOverride Function GetCoordinateSystemId ( _ geographyValue As DbGeography _ ) As Integer 用法Dim instance As DbSpatialServices Dim geographyValue ...