protected void LoginProving(string user, string pwd) { if (user == "") { MessageBox.Show("请输入登录用户名"); } else { DataSet ds = db.GetPIVAsDB("select top 1 DEmployeeID,AccountID,Pas,DEmployeeCode,DEmployeeName from DEmployee where AccountID='" + user + "' and Pas='******'"); if (ds == null || ds.Tables.Count == 0 || ds.Tables[0].Rows.Count <= 0) { MessageBox.Show(" 登录失败,输入用户名与密码不匹配 !!!(连接成功) "); } else if (ds.Tables[0].Rows.Count > 0) { string User = cbox_user.Text; if (user.Length >= 4 && user.Substring(0, 4) != "7777")//扫描二维码不保存本地 { db.SaveXML(cbox_user.Text, txt_pwd.Text); } db.IniWriteValuePivas("User", "pwd", ""); //信息保存,返回给主窗体使用 _DEmployeeID = ds.Tables[0].Rows[0]["DEmployeeID"].ToString(); _EmpCode = ds.Tables[0].Rows[0]["DEmployeeCode"].ToString(); _EmpName = ds.Tables[0].Rows[0]["DEmployeeName"].ToString(); this.DialogResult = DialogResult.OK; this.Close(); } } }