驗證控制項的使用:一步一步學註冊——RequireFieldValidator控制項

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RequireFieldValidator限制空欄位

CSS樣式 

 

body {  text-align :center ;}.top{    width :1024px;    height :120px;}.main{      height :300px;     width :1024px;        }.main h1{    font-size :15px;    text-align :left ;    background-color :#E7FFE5;    border:1px solid;    border-color :#E7FFE5 ;    } .textbox {     border :1px solid #9ccfff;     background-color :#eff7ff;     width :250px;     height :30px;     }.footer{    width :1024px;    height:50px;      }

body設計

<body>       <form id="form1" runat="server">         <div class ="top">        <img src="Logo.jpg"  width ="192px"/>        <img src="貞心真義的首頁橫幅.gif" width ="800px"  />    </div>    <div class ="main">        <h1>        填寫註冊資訊        </h1>        <table style="width: 100%;">            <tr>                <td style="text-align: right">                   郵箱                  </td>                  <td style="text-align: left">                     <asp:TextBox ID="txtEmail" runat="server" CssClass ="textbox"></asp:TextBox>                     <asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"                          ErrorMessage="請輸入郵箱" ControlToValidate="txtEmail" ForeColor="Red"                          Display="Dynamic"></asp:RequiredFieldValidator>                 </td>             </tr>            <tr>                <td style="text-align: right">                    使用者名稱                  </td>                    <td style="text-align: left">                     <asp:TextBox ID="txtUserName" runat="server" CssClass ="textbox"></asp:TextBox>                     <asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"                          ErrorMessage="請輸入使用者名稱" ControlToValidate="txtUserName" ForeColor="Red"                          Display="Dynamic"></asp:RequiredFieldValidator>                  </td>                            </tr>            <tr>                <td style="text-align: right">                   密碼                  </td>                    <td style="text-align: left">                     <asp:TextBox ID="txtPwd" runat="server" CssClass ="textbox"></asp:TextBox>                     <asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server"                          ErrorMessage="請輸入密碼" ControlToValidate="txtPwd" ForeColor="Red"                          Display="Dynamic"></asp:RequiredFieldValidator>                </td>                            </tr>            <tr>                <td style="text-align: right">                   確認密碼                  </td>                      <td style="text-align: left">                     <asp:TextBox ID="txtPwd2" runat="server" CssClass ="textbox"></asp:TextBox>                    <asp:RequiredFieldValidator ID="RequiredFieldValidator5" runat="server"                          ErrorMessage="請再次輸入密碼" ControlToValidate="txtPwd2" ForeColor="Red"                          Display="Dynamic"></asp:RequiredFieldValidator>                </td>                          </tr>            <tr>                <td style="text-align: right">                    驗證碼                  </td>                      <td style="text-align: left">                     <asp:TextBox ID="txtCode" runat="server" CssClass ="textbox"></asp:TextBox>                      <asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server"                          ErrorMessage="請輸入驗證碼" ControlToValidate="txtCode" ForeColor="Red"                          Display="Dynamic"></asp:RequiredFieldValidator>                </td>            </tr>            <tr>                <td>                                    </td>                       <td style="text-align: left">                     <asp:CheckBox ID="CheckBox1" runat="server" Text ="我已閱讀並接受提高班協議"                          Checked="True" />                </td>                         </tr>            <tr>                <td>                                 </td>                     <td style="text-align: left">                   <asp:Button ID="btnRegist" runat="server" Text="註冊" />                </td>                           </tr>        </table>        </div>    <div class ="footer"><a href ="http://blog.csdn.net/jyhye" target ="_blank" >資訊技術提高班JYH</a>            </div>    </form></body>

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