求修改
原问题:http://topic.csdn.net/u/20120606/13/f4d0b84d-cb57-41fe-a7d4-f8fcf55cb21c.html?seed=1197678282&r=78783718#r_78783718
代码如下:
String connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Application.StartupPath + "\\用户名.mdb";
OleDbConnection conn = new OleDbConnection(connStr);
conn.Open();
string sql = "select count(*) from 用户密码表 where username=@name and password=@pass";
OleDbCommand cmd = new OleDbCommand(sql, conn);
cmd.Parameters.Add(new OleDbParameter("@name", OleDbType.Char));
cmd.Parameters["@name"].Value = textBoxName.Text;
cmd.Parameters.Add(new OleDbParameter("@pass", OleDbType.Char));
cmd.Parameters["@pass"].Value = textBoxPassword.Text;
int i = (int)cmd.ExecuteScalar();
conn.Close();
求修改。谢谢 --------------------编程问答-------------------- Data Source=这里写从盘符开始的绝对路径\\用户名.mdb
现这样试试有没问题
补充:.NET技术 , C#