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ASP.NET項目開發指南:房間信息的添加(1)

2013-11-13 12:28:21  來源: .NET編程 

    房間信息的添加(

  單擊返回超鏈接回到ST_RoomsManaspx頁面在其中單擊添加新房間超鏈接將打開ST_RoomAddaspx頁面從中可以添加新的房間如圖所示

  添加客房信息頁面

  ST_RoomAddaspx的HTML代碼

  整體頁面的HTML代碼參見配書光盤下面看一下控件<MODULE:RoomAdd id=ModuleRoomAdd runat=server></MODULE:RoomAdd>的HTML代碼如程序所示

  程序  ST_RoomAddaspx

    <table cellSpacing= cellPadding= width=%>

        <tr class=rheader>

            <td class=rheadercol align=left height= colspan=>

                添加客房信息

            </td>

        </tr>

        <! SPACER ROW >

        <tr class=rbody>

            <td class=rbodycol align=center height=

                colspan=>&nbsp;

            </td>

        </tr>

        <tr class=rbody>

            <td class=rbodycol align=center height= colspan=>

                <P><asp:label id=CreateLabel enableViewState=false

            runat=server Visible=True>

             請完整填寫下列信息然後單擊添加按鈕來提交要添加的房間信息

              </asp:label></P>

                <table style=BORDERRIGHT: #ccccff px solid;

        TABLELAYOUT:auto; BORDERTOP: #ccccff px solid; BORDERLEFT:

        #ccccff px solid;BORDERBOTTOM: #ccccff px solid;

                    BORDERCOLLAPSE: collapse width=%>

                    <tr style=BACKGROUNDCOLOR: #ccccff>

                        <td width=%>房間號 </td>

                        <td><asp:textbox id=RoomIdTextBox

                         enableViewState=false runat=server

                            MaxLength=></asp:textbox>(必填)

                            <asp:requiredfieldvalidator

            id=RequiredFieldValidator runat=server

            controlToValidate=RoomIdTextBox errormessage=編號必須填寫

                        display=dynamic>*</asp:requiredfieldvalidator>

                <asp:regularexpressionvalidator

                    id=Regularexpressionvalidator runat=server

                    ValidationExpression=^\w[]*$

                    ErrorMessage=編號應為整數

    ControlToValidate=RoomIdTextBox>*</asp:regularexpressionvalidator>

                <asp:customvalidator

    id=IdUniqueCustomValidator runat=server ErrorMessage=該房間已登記

                            ControlToValidate=RoomIdTextBox

                            OnServerValidate=IsIdValidate>

                *</asp:customvalidator>

                        </td>

                    </tr>

                    <tr>

                        <td width=% style=HEIGHT: px>房間類型

                        </td>

                        <td><asp:DropDownList id=RCategoryNameList

                        runat=server>

                        <asp:ListItem Value=>請選擇

                        </asp:ListItem>

                            </asp:DropDownList>(必填)

                            <asp:requiredfieldvalidator

                id=RequiredFieldValidator runat=server

                controlToValidate=RCategoryNameList

                errormessage=類型必須填寫請先到房間類型管理中添加房間類型

                display=dynamic>*</asp:requiredfieldvalidator>

               <asp:customvalidator id=RCategoryCustomvalidator

                    runat=server ErrorMessage=類型必須填寫

                    先到房間類型管理中添加房間類型

                                ControlToValidate=RCategoryNameList

    OnServerValidate=NotNullValidate>*</asp:customvalidator>

                        </td>

                    </tr>

                    <tr style=BACKGROUNDCOLOR: #ccccff>

                        <td width=%>房間位置

                        </td>

                        <td><asp:textbox id=RPositionTextBox

                    enableViewState=false runat=server

                    MaxLength=></asp:textbox></td></tr>

                    <tr>

                        <td width=%>描述

                        </td>

                        <td><asp:textbox id=DescriptionTextBox

            runat=server Width=px TextMode=MultiLine

            Height=px></asp:textbox>

                        </td>

                    </tr>

                </table>

            </td>

        </tr>

        <tr>

            <td colspan=><asp:validationsummary

    id=ValidationSummary runat=server HeaderText=請按下面提示正確填寫>

            </asp:validationsummary></td>

        </tr>

        <tr>

            <td width=%>&nbsp;

            </td>

            <td>

                <asp:Button id=SubmitButton text=添加

                    BorderStyle=Groove

                runat=server></asp:Button>&nbsp;&nbsp;&nbsp;&nbsp;

                <asp:Button id=ReturnButton CausesValidation=False

            BorderStyle=Groove text=返回 runat=server></asp:Button>

            </td>

        </tr>

        <tr>

            <td colspan=><asp:label id=ShowMsg

    Runat=server></asp:label></td>

       </tr>

   </table>

  【代碼說明】上述代碼中使用了多個驗證控件(ASPNET特有的控件)幫助用戶在客戶端很好地完成了驗證任務代碼第~行是一個自定義驗證控件customvalidator通過其OnServerValidate事件來調用實現驗證的方法NotNullValidate從OnServerValidate這個名字可以看出此驗證是在服務器後台進行而不是客戶端驗證代碼第~行是一個下拉列表框其中默認只有一個選項其屬性Value=

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From:http://tw.wingwit.com/Article/program/net/201311/15973.html
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