SQLConnection 代码 [重复]

Question

尝试建立连接时出现以下异常：

System.Data.SqlClient.SqlException occurred
  HResult=0x80131904
  Message=Login failed for user ''.
  Source=.Net SqlClient Data Provider
  StackTrace:
<Cannot evaluate the exception stack trace>

我不断收到上述错误，这是我的代码：

SqlConnection conn = 
  new SqlConnection(@"Data Source = Computer-DELL\SQLEXPRESS;Initial Catalog = Drivers");

conn.open();

Answer 1

您的连接字符串没有用户名和密码和/或集成安全性。

具有集成安全性：

Data Source=localhost\SQLSERVER;Initial Catalog=YourDataBaseName;Integrated Security=True;

使用用户名和密码：

Data Source=localhost\SQLSERVER;Initial Catalog=YourDataBaseName;persist security info=True;user id=someusername;password=somepassword;

Answer 2

假设他们有权限，本地用户：

SqlConnection conn = new SqlConnection(@"Data Source = Computer-DELL\SQLEXPRESS;Initial Catalog = Drivers;Trusted_Connection=True;")
conn.open();