主窗体里如何调用呢?
string mySelectQuery = "SELECT ID FROM ADMIN";
ConnectionPool CStr = new ConnectionPool();
CStr.GetConnection();
OleDbCommand Command = new OleDbCommand(mySelectQuery,conn);总是报错:名称“conn”在类或命名空间不存在
string mySelectQuery = "SELECT ID FROM ADMIN";
ConnectionPool CStr = new ConnectionPool();
CStr.GetConnection();
OleDbCommand Command = new OleDbCommand(mySelectQuery,conn);总是报错:名称“conn”在类或命名空间不存在
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货