<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>NumericupdownExtender</title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<div>
Enter a numeric value and use
<br />
the up and down buttons to increment/decrement <asp:TextBox ID="TextBox1"
runat="server">0</asp:TextBox>
<br />
<br />
Choose your favorite month
<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />
<br />
Let the web service pick a random number
<br />
between 0 and 1000 that is higher/lower
<br />
than the displayed value
<asp:TextBox ID="TextBox3" runat="server">0</asp:TextBox><br />
<br />
Use the arrow images to increment/decrement
<br />
the value
<asp:TextBox ID="TextBox4" runat="server" ></asp:TextBox>
<asp:ImageButton ID="ImageButton2" runat="server" Width="15px" Height="15px" ImageUrl="~/up.gif" />
<br />
<asp:ImageButton ID="ImageButton1" runat="server" Width="15px" Height="15px" ImageUrl="~/down.gif" /><br />
<cc1:NumericupdownExtender ID="NumericupdownExtender1" TargetControlID="TextBox1" Width="150" runat="server">
</cc1:NumericupdownExtender>
<cc1:NumericupdownExtender ID="NumericupdownExtender2" TargetControlID="TextBox2" Width="150" RefValues="January;February;march;April;May;June;July;August;September;October;November;December" runat="server">
</cc1:NumericupdownExtender>
<cc1:NumericupdownExtender ID="NumericupdownExtender3" TargetControlID="TextBox3" Width="150" ServiceUpPath="WebService1.asmx" ServiceUpMethod="NextNumber" ServiceDownPath="WebService1.asmx" ServiceDownMethod="PreNumber" runat="server">
</cc1:NumericupdownExtender>
<cc1:NumericupdownExtender ID="NumericupdownExtender4" TargetControlID="TextBox4" Width="150" TargetButtonUpID="ImageButton2" TargetButtonDownID="ImageButton1" runat="server">
</cc1:NumericupdownExtender>
</div>
</form>
</body>
</html>
=======webservers=====
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.Web.Script.Services.ScriptService]
// [ToolBoxItem(false)]
// 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。
// [System.Web.Script.Services.ScriptService]
public class WebService1 : System.Web.Services.WebService
{
[WebMethod]
public int NextNumber(int current,string tag)
{
Random r1 = new Random();
return r1.Next(Math.Min(Math.Max(0,current),1000),1001);
}
[WebMethod]
public int PreNumber(int current,string tag)
{
Random r2 = new Random(); return r2.Next(0,Math.Min(Math.Max(0,1000)); } }
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