private void button1_Click(object sender, EventArgs e) { string userName = textBox1.Text.ToString().Trim(); string userPwd = textBox2.Text.ToString().Trim(); if (userName != "") { if (userPwd != "") { //string sql = " select * from Userright where uname=@uname and upwd=@upwd "; SqlParameter[] param = { new SqlParameter("@uname", userName), new SqlParameter("@wpwd", userPwd), }; DataSet users = DBHelpSql.RunProcedureGetDS("pro_selUser", param); //object nnn = DBHelpSql.GetSingle("select * from Userright "); if (users.Tables[0].Rows.Count > 0) { cz.User = new Userright( (int)users.Tables[0].Rows[0]["uid"], users.Tables[0].Rows[0]["uguid"].ToString(), users.Tables[0].Rows[0]["uname"].ToString(), users.Tables[0].Rows[0]["upwd"].ToString(), users.Tables[0].Rows[0]["upower"].ToString(), users.Tables[0].Rows[0]["ustatic"].ToString() ); Main form = new Main(); form.Show(); this.Hide(); } else { MessageBox.Show("用户名或密码不正确"); } } else { MessageBox.Show("密码不能为空"); } } else { MessageBox.Show("用户名不能为空"); } }