string dsn=Application["dsn"].ToString();
OleDbConnection mycon=new OleDbConnection(dsn);
mycon.Open();
    OleDbCommand mycom=new OleDbCommand("select * from user where name='"+name.Text+"'",mycon);
    OleDbDataReader reader=mycom.ExecuteReader();
while(reader.Read())
                 {         ........           } 错误提示:     FROM 子句语法错误。