public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/html"; int id; if (int.TryParse(context.Request.QueryString["id"], out id)) { ManagerInfoBLL miBLL = new ManagerInfoBLL(); ManagerInfo managerInfo = miBLL.GetManagerInfo(id); if (managerInfo != null) { string filePath = context.Request.MapPath("ShowEditManagerInfo.html"); string fileContent = File.ReadAllText(filePath); fileContent = fileContent.Replace("$MName", managerInfo.MName) .Replace("$MPwd", managerInfo.MPwd) .Replace("$MType", managerInfo.MType.ToString()) .Replace("$id", managerInfo.MId.ToString()); context.Response.Write(fileContent); } else { context.Response.Write("查无此人"); } } }
public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; //string txtName = context.Request.Form["txtName"]; //string txtPwd = context.Request.Form["txtPwd"]; //int txtType = Convert.ToInt32(context.Request.Form["txtType"]); ////注意接受隐藏域中的id //int id = Convert.ToInt32(context.Request.Form["txtid"]); //ManagerInfo managerInfo = new ManagerInfo() //{ // MName = txtName, // MPwd = txtPwd, // MType = txtType, // MId = id //}; ////接收表单数据直接实例化为对象 //ManagerInfo managerInfo = new ManagerInfo() //{ // MName =context.Request.Form["txtName"], // MPwd = context.Request.Form["txtPwd"], // MType = Convert.ToInt32(context.Request.Form["txtType"]), // MId = Convert.ToInt32(context.Request.Form["txtid"]) //}; ///注意上面这种方式也是有缺陷的 ///如果你的表中有很多列,但这些列是没有展示在Form 中, ///所以你实例化这个对象时,有些列是没有赋值数据的 ///但是在Dal层中,你使用sql语句更新是更新的所有列, ///所以这里我们先使用id查询出数据库表的数据对象(我们之前已经封装了这个函数) ///在使用表单中的数据进行修改,这样如果表单中没有那一列数据,或是没有修改则就是用依旧是原来的数据 /// int id = Convert.ToInt32(context.Request.Form["txtid"]); ManagerInfoBLL miBLL = new ManagerInfoBLL(); ManagerInfo managerInfo = miBLL.GetManagerInfo(id); managerInfo.MName = context.Request.Form["txtName"]; managerInfo.MPwd = context.Request.Form["txtPwd"]; managerInfo.MType = Convert.ToInt32(context.Request.Form["txtType"]); if (miBLL.EditManagerInfo(managerInfo)) { context.Response.Redirect("ManagerInfoList.ashx"); } else { context.Response.Redirect("Error.html"); } }
/// <summary> /// 展示要修改的用户的信息 /// </summary> private void ShowEditManagerInfo() { int id; if (int.TryParse(Request.QueryString["id"], out id)) { ManagerInfoBLL miBLL = new ManagerInfoBLL(); if (miBLL.GetManagerInfo(id) != null)//一定要做这个判断 { managerInfo = miBLL.GetManagerInfo(id); } else { Response.Write("编辑对象id错误!"); } } else { Response.Redirect("../CRUD/Error.html"); } }