AjaxControlToolKit 学习之：NumricUpDown

前台代码:

    <asp:ScriptManager id="ScriptManager1" runat="server">
    </asp:ScriptManager>
    <asp:UpdatePanel id="UpdatePanel1" runat="server">
        <contenttemplate>
           <asp:TextBox id="TextBox1" runat="server" Width="120" Text="3"></asp:TextBox><br />
           <asp:TextBox id="TextBox2" runat="server" Width="120px"></asp:TextBox><br />
           <asp:TextBox id="TextBox3" runat="server" Width="120px"></asp:TextBox><br />
           
            <ajaxToolkit:NumericUpDownExtender id="NumericUpDownExtender2" runat="server" Width="120" TargetButtonUpID="" TargetButtonDownID="" ServiceUpMethod="" ServiceDownMethod="" RefValues="" TargetControlID="TextBox1"></ajaxToolkit:NumericUpDownExtender>
            <ajaxToolkit:NumericUpDownExtender id="NumericUpDownExtender1" runat="server" Width="120" TargetButtonUpID="" TargetButtonDownID="" ServiceUpMethod="" ServiceDownMethod="" RefValues="一月;二月;三月;四月;五月;六月;七月;八月;九月;十月;十一月;十二月" TargetControlID="TextBox2"></ajaxToolkit:NumericUpDownExtender>
            <ajaxToolkit:NumericUpDownExtender id="NumericUpDownExtender3" runat="server" Width="120" TargetButtonUpID="" TargetButtonDownID="" ServiceUpPath ="NumericUpDown.asmx" ServiceDownPath="NumericUpDown.asmx" ServiceUpMethod="nextValue" ServiceDownMethod="prevValue" RefValues="" TargetControlID="TextBox3"></ajaxToolkit:NumericUpDownExtender>
        </contenttemplate>
    </asp:UpdatePanel>
    

webService:

<WebService(Namespace :Namespace:="http://tempuri.org/")> _
<WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
<Web.Script.Services.ScriptService()> _
Public Class NumericUpDownClass NumericUpDown
    Inherits System.Web.Services.WebService

    <WebMethod()> _
    Public Function prevValue()Function prevValue(ByVal current As Int32, ByVal tag As String) As Int32  '
        If current >= 3 Then
            current = current - 3
        End If

        Return current
    End Function
    <WebMethod()> _
    Public Function nextValue()Function nextValue(ByVal current As Int32, ByVal tag As String) As Int32  '

        current = current + 3
        Return current
    End Function

End Class