C#获取WebConfig中数据库连接串地方法
ASP.NET 1.1中的写法:
WebConfig:
<appSettings>
<add key="HRConnectionString" value="Data Source=.;Initial Catalog=Northwind;Persist Security Info=True;User ID=sa;Password="/>
</appSettings>
<add key="HRConnectionString" value="Data Source=.;Initial Catalog=Northwind;Persist Security Info=True;User ID=sa;Password="/>
</appSettings>
读取方法:
string connectionString = ConfigurationSettings.AppSettings["ConnectionString"];
ASP.NET 2.0(含以上版本)中的写法:
WebConfig:
<connectionStrings>
<add name=”ConnectionString1″ connectionString=”server=(local);database=northwind;uid=sa;password=xxxx;”/>
</connectionStrings>
<add name=”ConnectionString1″ connectionString=”server=(local);database=northwind;uid=sa;password=xxxx;”/>
</connectionStrings>
读取方法:
string connString = ConfigurationManager.ConnectionStrings["NorthwindConnectionString"].ConnectionString;
注意:如果在类库中使用ConfigurationManager,则需要添加对System.Configuration的引用,不光是在命名空间中using,还要在类库项目中右键添加对System.Configuration的引用。
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