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public static SqlConnection getConnection()
{
string strConn = "Data Source=IP;Initial Catalog=数据库名;Persist
Security Info=True;User ID=sa;pwb=XX";
SqlConnection objConnection = new SqlConnection(strConn);
return objConnection;
}
using System.Data;
using System.Data.SqlClient;
..
string str="Server=YourSQLServer;user id=sa;password=;initial catalog=Northwind;Connect Timeout=30";
SqlConnection objConnection=new SqlConnection(str);
objConnection.Open();
..
objConnection.Close();