1.JS和.Net前后臺互相調用總結HTML code
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="JavaScript get Net Function.aspx.cs" Inherits="JavaScript_get_Net_Function" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><title>前臺與后臺方法護調總結</title><%-- JavaScript異步調用定義在ASP.Net頁面中的方法, 我們需要:1.將該方法聲明為公有(public);2.將該方法聲明為類方法(C#中的static,VB.NET中的Shared),而不是實例方法;3.將該方法添加【WebMethod】屬性4.將頁面中ScriptManager控件的EnablePageMethods屬性設置為true;5.在客戶端使用如下JavaScript語法調用該頁面方法 PageMethods.[MethodName](param1,param2,...,callbackFunction);6.為客戶端異步調用指定回調函數,在回調函數中接受返回值并進一步處理;7.添加 using System.Web.Services;--%><%-- ASP.Net后臺調用JavaScript function的方法,我們要注意:1.盡量少用Response.Write(<script></script>);這種方法,它會影響CSS導致頁面效果偏差2.C#中使用ScriptManager.RegisterStartupScript(this, this.GetType(), "edit", "JS('"+param1+"','"+param2+"')", true);3.添加 using System.Web.UI;--%><script type="text/javascript">/*-------------JavaScript調用.Net后臺Start----------------------------------*/function JsCallCSharp(param1) { PageMethods.SayHelloFromPage(param1,onSayHelloSucceeded); }function onSayHelloSucceeded(result) { alert(result); }/*-------------JavaScript調用.Net后臺End----------------------------------*//*-------------.Net調用JavaScript Start-----------------------------------*/function CSharpCallJs(param1,param2) { alert(param1 + param2); }/*-------------.Net調用JavaScript Start-----------------------------------*/</script></head><body><form id="form1" runat="server"><div><asp:ScriptManager ID="ScriptManager1" EnablePageMethods="true" runat="server" /></div><asp:Button ID="Button1" onclick="Button1_Click" OnClientClick="JsCallCSharp('takako');" runat="server" Text="Button1" /></form></body></html>C# code
using System;using System.Web.Services;using System.Web.UI;public partial class JavaScript_get_Net_Function : System.Web.UI.Page{protected void Page_Load(object sender, EventArgs e) { }protected void Button1_Click(object sender, EventArgs e) {string param1 = "你好:";string param2 = "takako_mu"; ScriptManager.RegisterStartupScript(this, this.GetType(), "edit", "CSharpCallJs('" + param1 + "','" + param2 + "');", true); } [WebMethod]public static string SayHelloFromPage(string name) {return string.Format("Hello {0}!", name); }}2.Js調用WebService總結JScript code
/*--相當于GridViewBind()-------------------------------------------------------------------------------------------*/ function Search(pagesize,pageCurrentCount) { var UserName=$get("optSelectUserName").value; var Project=$get("optSelectProject").value; GetData(pagesize,pageCurrentCount,UserName,Project); return false; } function GetData(pagesize,pageCurrentCount,userName, project) { $get("displayImage").style.display="block"; var UserName=userName; var Project=project; WebService_AJAXGridView.GetData(pagesize,pageCurrentCount,UserName, Project, SucceededCallback, FailedCallback,"XmlDocument"); } function SucceededCallback(result, userContext, methodName) { if (userContext == "XmlDocument") { UpdateTable(result); } $get("displayImage").style.display="none"; //document.getElementById("lab_TotalPage").innerText= } function FailedCallback(error) { // Display the error. var stackTrace=error.get_stackTrace(); var message= error.get_message(); var statusCode=error.get_statusCode(); var exceptionType=error.get_exceptionType(); var timeout=error.get_timedOut(); var errstr="推疊追蹤: "+ stackTrace+"\n"; errstr+="服務錯誤:"+ message+"\n"; errstr+="狀態碼:"+ statusCode+"\n"; errstr+="例外類型:"+ exceptionType+"\n"; errstr+="逾時:"+ timeout+"\n"; errstr+="請關掉IE, 重新進入 !!"; alert(errstr); $get("displayImage").style.display="none"; } /*--相當于GridViewBind()-------------------------------------------------------------------------------------------*/C# code
//WebService using System; using System.Data; using System.Xml; using System.Text; using System.Collections; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Services; using System.Web.Services.Protocols; using System.Web.Script.Services; using System.Web.Script.Serialization; using System.Web.Security; using System.Xml.Linq; using System.Data.Sql; using System.Data.SqlClient; /// <summary> /// WebService_AJAXGridView 的摘要描述 /// </summary> [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] // 若要允許使用 ASP.NET AJAX 從指令碼呼叫此 Web 服務，請取消註解下一行。 [System.Web.Script.Services.ScriptService] public class WebService_AJAXGridView : System.Web.Services.WebService { public WebService_AJAXGridView () { //如果使用設計的元件，請取消註解下行程式碼 //InitializeComponent(); } //Create By Takako_Yang,at 2008/12/04 [WebMethod(Description = "My AJAX Gridview Data Select", EnableSession = true)] [ScriptMethod(ResponseFormat = ResponseFormat.Xml)] public XmlDocument GetData(int pagesize,int pageCurrentCount,string userName, string project) { DailyWorkFactory myDailyWorkFactory = new DailyWorkFactory(); DataTable dt = myDailyWorkFactory.GetDailyWork(0, 1,pagesize,pageCurrentCount, userName, project, "");//flag1用來判斷Select來源自現有的，還是編輯時Create的新的 StringBuilder sb = new StringBuilder(); sb.Append("<AJAXSet>"); //select [No],Project,Item,Code,[Description (purpose/value)], //Status,[%],[Start Date],[Due Date],Owner,[Day/Hour] from daily_work foreach (DataRow myDataRow in dt.Rows) { string No = myDataRow[0].ToString(); string Project1 = myDataRow[1].ToString(); string Item = myDataRow[2].ToString(); string Code = myDataRow[3].ToString(); string Desciption = myDataRow[4].ToString(); string Status = myDataRow[5].ToString(); string Percent = myDataRow[6].ToString(); string StartDate = (Convert.ToDateTime(myDataRow[7])).ToString("yyyy/MM/dd"); string DueDate = (Convert.ToDateTime(myDataRow[8])).ToString("yyyy/MM/dd"); string Owner = myDataRow[9].ToString(); string NeedTime = myDataRow[10].ToString(); sb.Append("<AJAXData>"); sb.Append("<P1>").Append(No).Append("</P1>"); sb.Append("<P2>").Append(Project1).Append("</P2>"); sb.Append("<P3>").Append(Item).Append("</P3>"); sb.Append("<P4>").Append(Code).Append("</P4>"); sb.Append("<P5>").Append(Desciption).Append("</P5>"); sb.Append("<P6>").Append(Status).Append("</P6>"); sb.Append("<P7>").Append(Percent).Append("</P7>"); sb.Append("<P8>").Append(StartDate).Append("</P8>"); sb.Append("<P9>").Append(DueDate).Append("</P9>"); sb.Append("<P10>").Append(Owner).Append("</P10>"); sb.Append("<P11>").Append(NeedTime).Append("</P11>"); sb.Append("</AJAXData>"); } sb.Append("</AJAXSet>"); XmlDocument xmlDoc = new XmlDocument(); xmlDoc.LoadXml(sb.ToString()); return xmlDoc; }转载于:https://www.cnblogs.com/sishahu/archive/2011/09/20/2182037.html
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