And*_*ker 1 c# connection connection-string database-connection sql-server-2005
我正在尝试连接到数据库,它一直告诉我"无效的实例".
这是我的代码:
string connectionString = "Driver={SQL Server};Server=server;Database=db;;Uid=user;Pwd=pass;";
OdbcConnection MyConnection = new OdbcConnection();
MyConnection.ConnectionString = connectionString;
MyConnection.Open();
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问题是什么?
谢谢!
试试这个.
Data Source=myServerAddress;Initial Catalog=myDataBase;User Id=myUsername;Password=myPassword;
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如果您使用的是MS Sql server,最好使用SqlConnection.
using(SqlConnection conn = new SqlConnection(connestionString)){
conn.open();
..
}
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http://www.connectionstrings.com/sql-server-2005