在Visual C#.NET中如何使用ADO控件连接SQL Server 2000数据，详细点啊
答案:2 悬赏:10 手机版
解决时间 2021-02-11 15:39
- 提问者网友：藍了天白赴美
- 2021-02-10 17:37
在Visual C#.NET中如何使用ADO控件连接SQL Server 2000数据，详细点啊
最佳答案
- 五星知识达人网友：孤独入客枕
- 2021-02-10 17:43
private static SqlConnection connection;
public static SqlConnection Connection
{
get
{
// string connectionString = "Data Source=.;Initial Catalog=Tjj_DataBaseSQL;Integrated Security=True";
string connectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
if (connection == null)
{
connection = new SqlConnection(connectionString);
connection.Open();
}
else if (connection.State == System.Data.ConnectionState.Closed)
{
connection.Open();
}
else if (connection.State == System.Data.ConnectionState.Broken)
{
connection.Close();
connection.Open();
}
return connection;
}
}
public static SqlConnection Connection
{
get
{
// string connectionString = "Data Source=.;Initial Catalog=Tjj_DataBaseSQL;Integrated Security=True";
string connectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
if (connection == null)
{
connection = new SqlConnection(connectionString);
connection.Open();
}
else if (connection.State == System.Data.ConnectionState.Closed)
{
connection.Open();
}
else if (connection.State == System.Data.ConnectionState.Broken)
{
connection.Close();
connection.Open();
}
return connection;
}
}
全部回答
- 1楼网友：轻熟杀无赦
- 2021-02-10 19:21
搜一下：在Visual C#.NET中如何使用ADO控件连接SQL Server 2000数据，详细点啊
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