Asp.net 连接字符串的Base-64字符串中的字符无效

我有一个Sql Server 2008 R2连接字符串

  <add name="DBConnectionString"
providerName="System.Data.SqlClient"
connectionString="Data Source=AYZ;Initial Catalog=AYZ;User ID=AYZ;Password=AYZ;"/>

connString具有以下特性

Data Source=AYZ;Initial Catalog=AYZ;User ID=AYZ;Password=AYZ;

具体例外情况如下：

System.FormatException was unhandled by user code
  Message=Invalid character in a Base-64 string.
  Source=mscorlib
  StackTrace:
       at System.Convert.FromBase64String(String s)
       at Microsoft.Practices.EnterpriseLibrary.Data.Database.DecryptConnectionString(String strEncyptConStr)
       at Microsoft.Practices.EnterpriseLibrary.Data.Database..ctor(String connectionString, DbProviderFactory dbProviderFactory)
       at Microsoft.Practices.EnterpriseLibrary.Data.Sql.SqlDatabase..ctor(String connectionString)
       at ABC.GRC.DAL.CommonDAL..ctor() in D:\ABC\Projects\Right Price\ABC.GRC\ABC.GRC\ABC.GRC.DAL\CommonDAL.cs:line 31
       at ABC.GRC.BLL.CommonBLL..ctor() in D:\ABC\Projects\Right Price\Syntel.GRC\Syntel.GRC\Syntel.GRC.BLL\CommonBLL.cs:line 14
       at Global.Application_Error(Object sender, EventArgs e) in d:\ABC\Projects\Right Price\ABC.GRC\ABC.GRC\ABC.GRC.WEB\App_Code\Global.asax.cs:line 60
       at System.EventHandler.Invoke(Object sender, EventArgs e)
       at System.Web.HttpApplication.RaiseOnError()
  InnerException: 

---

我认为这是个问题

connString =ConnectionStrings.ConnectionStrings["ConnectionString"];

应该是

connString =ConnectionStrings.ConnectionStrings["DBConnectionString"];

因为配置文件中有键

DBConnectionString

，而不是

ConnectionString

有用链接：

---

在创建

slqDatabase

之前，您能告诉我您在

CommonDAL.cs:line 31

和

commondll.cs:line 14

上有什么吗？谢谢您的回复。那是个打字错误。它被纠正了

connString =ConnectionStrings.ConnectionStrings["DBConnectionString"];