发布的执行文件无法运行！！！

Question

求教，如何改啊？？？
谢谢

Answer 1

 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();
求修改方法。

Answer 2

 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();
求修改方法。 谢谢

Answer 3

String connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=这里写从盘符开始的绝对路径\\用户名.mdb";
先这样试试，你的 Application.StartupPath 指向到系统临时文件目录去了