نمونه ی زیر رو ببینید.
نمونه ای از فصل دوم کتاب Professional ASP.NET 3.5 In C# and VB by Bill Evjen , Scott Hanselman , Devin Rader هست.
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CustomerDetails.aspx.cs" Inherits="F2_CustomerDetails" %>
<!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>Customer Details</title>
<script type="text/javascript">
function GetCustomer(){
state.innerHTML="<b>Loading...</b> Please wait.";
var customerCode = document.forms[0].TextBox1.value;
UseCallback(customerCode, "");
}
function GetCustDetailsFromServer(result, context){
state.innerHTML="Complated.";
var i = result.split("|");
customerID.innerHTML = i[0];
companyName.innerHTML = i[1];
contactName.innerHTML = i[2];
contactTitle.innerHTML = i[3];
address.innerHTML = i[4];
city.innerHTML = i[5];
region.innerHTML = i[6];
postalCode.innerHTML = i[7];
country.innerHTML = i[8];
phone.innerHTML = i[9];
fax.innerHTML = i[10];
namefamily.innerHTML = i[11];
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<input id="Button1" type="button" value="Get Customer Details"
onclick="GetCustomer()" /><br />
<br />
<span id="state"></span>
<br />
<table cellspacing="0" cellpadding="4" rules="all" border="1"
id="DetailsView1"
style="background-color:White;border-color:#3366CC;border-width:1px;
border-style:None;height:50px;width:400px;border-collapse:collapse;">
<tr style="color:#003399;background-color:White;">
<td>CustomerID</td><td><span id="customerID" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>CompanyName</td><td><span id="companyName" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>ContactName</td><td><span id="contactName" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>ContactTitle</td><td><span id="contactTitle" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>Address</td><td><span id="address" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>City</td><td><span id="city" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>Region</td><td><span id="region" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>PostalCode</td><td><span id="postalCode" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>Country</td><td><span id="country" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>Phone</td><td><span id="phone" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>Fax</td><td><span id="fax" /></td>
</tr><tr style="color:#003399;background-color:White;">
<td>Name</td><td><span id="namefamily" /></td></tr>
</table>
</div>
</form>
</body>
</html>
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
public partial class F2_CustomerDetails : System.Web.UI.Page, System.Web.UI.ICallbackEventHandler
{
private string _callbackResult = null;
protected void Page_Load(object sender, EventArgs e)
{
string cbReference = Page.ClientScript.GetCallbackEventReference(this,
"arg", "GetCustDetailsFromServer", "context");
string cbScript = "function UseCallback(arg, context)" +
"{" + cbReference + ";" + "}";
Page.ClientScript.RegisterClientScriptBlock(this.G etType(),
"UseCallback", cbScript, true);
}
#region ICallbackEventHandler Members
public string GetCallbackResult()
{
return _callbackResult;
}
public void RaiseCallbackEvent(string eventArgument)
{
System.Threading.Thread.Sleep(3000);
string[] MyValues = new string[12];
MyValues[0] = eventArgument;
MyValues[1] = "Arya Co";
MyValues[2] = "raziee.hossein@gmail.com";
MyValues[3] = "ContactTitle";
MyValues[4] = "Iran,Tehran";
MyValues[5] = "Tahran";
MyValues[6] = "Region";
MyValues[7] = "PostalCode";
MyValues[8] = "Iran";
MyValues[9] = "09122222222";
MyValues[10] = "33333333";
MyValues[11] = "Hossein Raziee";
_callbackResult = String.Join("|", MyValues);
}
#endregion
}
کارش اینه که یه آدی رو بدون پست بک شده به سمت سرور میفرسته و یک مجموعه ی اطلاعات رو از سرور میگیره و نمایش میده.
در صورت امکان کتاب مذکور رو مطالعه بفرمایید
شاد باشید