“connectionstring 属性尚未初始化”的问题
zk911 2005-11-17 02:58:21 我的代码如下:
private Base db = new Base();
private login c=new login() ;
try
{
SqlConnection myConn = new SqlConnection();
myConn.ConnectionString = db.connStr;
string strCom = "SELECT * FROM admin WHERE username='" + c.loginuser +"'";
System.Data.SqlClient.SqlCommand comm;
comm = myConn.CreateCommand();
comm.CommandText = strCom;
SqlDataAdapter mydataA= new SqlDataAdapter();
mydataA.SelectCommand = comm;
DataSet myDataSet = new DataSet ( ) ;
myConn.Open( );
mydataA.Fill(myDataSet,"admin");
myConn.Close ( ) ;
}
catch(System.Exception mass)
{
MessageBox.Show(mass.Message);
}
当运行到myConn.open();时 则提示"connectionstring 属性尚未初始化"
这个问题该如何解决
请各路朋友指点一下 谢谢