SetConnectionString 方法 参考 反馈 定义 命名空间: System.Data.Entity.Infrastructure.Interception 程序集: EntityFramework.dll 将和 发送到ConnectionStringSetting(DbConnection, DbConnectionPropertyInterceptionContext<String>)在设置 之前/之后注册DbInterception的任何 IDbConnectionInterceptor。...
<add name="dvapEntities"connectionString="metadata=res://*/EF6.ModelTest.csdl|res://*/EF6.ModelTest.ssdl|res://*/EF6.ModelTest.msl;provider=MySql.Data.MySqlClient;provider connection string="server=localhost;user id=root;password=12345;database=dvap""providerName="System.Data.EntityClient"...
{//set connection string at runtime herestring connectionString = Properties.Settings.Default.TestDB;var connectionInfo =new DbConnectionInfo(connectionString,"System.Data.SqlClient");bool doInitialize =false;//Set initializer here//Database.SetInitializer<WPH_BusinessContext>(new DropCreateDatabaseAlway...
如果EF在使用实体模型时候,即model first 和db first 时候,则 Entity Framework使用的连接字符串与ADO.NET是不同的,见下图: 相比于ADO.NET,Entity Framework的连接字符串不仅要存放metadata配置信息,还要存放完整的数据库连接字符串(上图中的"provider connection string"部分)。 这样的设计有两个不足之处: 连接字符...
Entity Framework 的 EntityClient 提供者 HOW TO:建立 EntityConnection 連接字串 HOW TO:執行可傳回 PrimitiveType 結果的查詢 HOW TO:執行可傳回 StructuralType 結果的查詢 HOW TO:執行會傳回 RefType 結果的查詢 HOW TO:執行可傳回複雜類型的查詢 HOW TO:執行可傳回巢狀集合的查詢 HOW TO:使用 EntityComma...
> <entityFramework> <defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework"> <parameters> <parameter value="Data Source=.\SqlExpress; Integrated Security=True; MultipleActiveResultSets=True" /> </parameters> </defaultConnectionFactory> </entityFramework> ...
A connection string contains initialization information that is passed as a parameter from a data provider to a data source. The syntax depends on the data provider, and the connection string is parsed during the attempt to open a connection. Connection strings used by the Entity Framework ...
ID=sa;Password=xxx;MultipleActiveResultSets=False;Encrypt=True;TrustServerCertificate=True;Connection ...
Entity Framework 的 EntityClient 提供者 HOW TO:建立 EntityConnection 連接字串 HOW TO:執行可傳回 PrimitiveType 結果的查詢 HOW TO:執行可傳回 StructuralType 結果的查詢 HOW TO:執行會傳回 RefType 結果的查詢 HOW TO:執行可傳回複雜類型的查詢
and the connection string is parsed during the attempt to open a connection. Connection strings used by the Entity Framework contain information used to connect to the underlying ADO.NET data provider that supports the Entity Framework. They also contain information about the required model and mappi...