asp.net中连access数据库这样写为什么不行啊?
Dim Conn As OleDbConnection;
Conn = New OleDbConnection("PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA Source=grade.mdb");
Conn.Open();
而为什么下面这样写可以啊?
OleDbConnection Conn=new OleDbConnection();
Conn.ConnectionString="Provider=Microsoft.Jet.OLEDB.4.0;"+
"Data Source="+Server.MapPath("grade.mdb");
Conn.Open();
Dim Conn As OleDbConnection;
Conn = New OleDbConnection("PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA Source=grade.mdb");
Conn.Open();
而为什么下面这样写可以啊?
OleDbConnection Conn=new OleDbConnection();
Conn.ConnectionString="Provider=Microsoft.Jet.OLEDB.4.0;"+
"Data Source="+Server.MapPath("grade.mdb");
Conn.Open();
解决方案 »
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