我有一张由 div 组成的表格。有一个主 div 作为表格，然后 div 作为表格单元格和表格行。在单元格内，我有一个标签和一个文本框。都是 Asp.Net 控件（文本框，标签）。除了一个特定的列之外，所有内容似乎都显示在浏览器中，我不知道为什么。“娘家姓”栏不会显示。
代码：
<div class="block">
<div class="line">
<div class="labelcell">
<asp:Label ID="lblPersonLastName" runat="server" Text="Last Name: " meta:resourcekey="lblPersonLastNameResource1"/>
</div>
<div class="cell">
<asp:TextBox ID="txtPersonLastName" runat="server" MaxLength="200" Width="120px" meta:resourcekey="txtPersonLastNameResource1"/>
</div>
<div class="labelcell">
<asp:Label ID="lblPersonDateOfBirth" runat="server" Text="Date of Birth:" meta:resourcekey="lblPersonDateOfBirthResource1"/>
</div>
<div class="cell">
<asp:TextBox ID="txtPersonDateOfBirth" runat="server" MaxLength="20" Width="120px" meta:resourcekey="txtPersonDateOfBirthResource1"/>
<asp:RegularExpressionValidator ID="regValDate" runat="server" ControlToValidate="txtPersonDateOfBirth" ErrorMessage="Date format must be YYYY/MM/DD or YYYY-MM-DD" ValidationExpression="(^[0-9]{4,4}(/|-)[0-1][0-9](/|-)[0-3][0-9]$)" ValidationGroup="AddPerson" meta:resourcekey="regValDateResource1">*</asp:RegularExpressionValidator>
</div>
</div>
<div class="line">
<div class="labelcell">
<asp:Label ID="lblPersonFirstName" runat="server" Text="First Name: " meta:resourcekey="lblPersonFirstNameResource1"/>
</div>
<div class="cell">
<asp:TextBox ID="txtPersonFirstName" runat="server" MaxLength="200" Width="120px" meta:resourcekey="txtPersonFirstNameResource1"/>
</div>
<div class="labelcell">
<asp:Label ID="lblPersonAgeRange" runat="server" Text="Age Between:" meta:resourcekey="lblPersonAgeRangeResource1"/>
</div>
<div class="cell">
<asp:TextBox ID="txtPersonAgeRangeLow" runat="server" Width="30px" meta:resourcekey="txtPersonAgeRangeLowResource1"/>
<asp:Label ID="lblPersonAgeRangeAnd" runat="server" Text="and" Height="25px" meta:resourcekey="lblPersonAgeRangeAndResource1"/>
<asp:TextBox ID="txtPersonAgeRangeHigh" runat="server" Width="30px" meta:resourcekey="txtPersonAgeRangeHighResource1" />
</div>
</div>
<div class="line">
<div class="labelcell">
<asp:Label ID="lblPersonMiddleName" runat="server" Text="Middle Name: " meta:resourcekey="lblPersonMiddleNameResource1"/>
</div>
<div class="cell">
<asp:TextBox ID="txtPersonMiddleName" runat="server" MaxLength="128" Width="120px" meta:resourcekey="txtPersonMiddleNameResource1"/>
</div>
<div class="labelcell">
<asp:Label ID="lblPersonSex" runat="server" Text="Sex:" meta:resourcekey="lblPersonSexResource1"/>
</div>
<div class="cell">
<asp:RadioButton ID="rdbPersonSexMale" runat="server" AutoPostBack="True" OnDataBinding="SexChange" OnCheckedChanged="SexChange" GroupName="PersonSex" Text="Male " meta:resourcekey="rdbPersonSexMaleResource1"/>
<asp:RadioButton ID="rdbPersonSexFemale" runat="server" AutoPostBack="True" OnDataBinding="SexChange" OnCheckedChanged="SexChange" GroupName="PersonSex" Text="Female " meta:resourcekey="rdbPersonSexFemaleResource1" />
</div>
</div>
<div class="line">
<div class="labelcell">
<asp:Label ID="lblPersonStatus" runat="server" Text="Status:" meta:resourcekey="lblPersonStatusResource1"/>
</div>
<div class="cell">
<asp:DropDownList ID="ddlPersonStatus" runat="server" AppendDataBoundItems="True" DataSourceID="dsPersonStatus" DataTextField="Status" DataValueField="StatusID" OnPreRender="ddlPersonStatus_PreRender" Width="120px" meta:resourcekey="ddlPersonStatusResource1">
<asp:ListItem Value="-1" meta:resourcekey="ListItemResource2">--Select--</asp:ListItem>
</asp:DropDownList>
</div>
<div class="labelcell">
<asp:Label ID="lblPersonMaidenName" runat="server" Text="Maiden Name:" meta:resourcekey="lblPersonMaidenNameResource1"/>
</div>
<div class="cell">
<asp:TextBox ID="txtPersonMaidenName" runat="server" MaxLength="200" Width="120px" meta:resourcekey="txtPersonMaidenNameResource1"/>
</div>
</div>
<div class="line">
<div class="labelcell">
<asp:Label ID="lblPersonThirdName" runat="server" Text="Third Name: " meta:resourcekey="lblPersonThirdNameResource1"/>
</div>
<div class="cell">
<asp:TextBox ID="txtPersonThirdName" runat="server" MaxLength="128" Width="120px" meta:resourcekey="txtPersonThirdNameResource1"/>
</div>
<div class="labelcell">
<asp:Label ID="lblPersonFps" runat="server" Text="FPS: " meta:resourcekey="lblPersonFpsResource1"/>
</div>
<div class="cell">
<asp:TextBox ID="txtPersonFps" runat="server" MaxLength="200" Width="120px" meta:resourcekey="txtPersonFpsResource1"/>
</div>
</div>
<div class="line">
<div class="labelcell">
<asp:Label ID="lblPersonForthName" runat="server" Text="Fourth Name: " meta:resourcekey="lblPersonForthNameResource1"/>
</div>
<div class="cell">
<asp:TextBox ID="txtPersonForthName" runat="server" MaxLength="128" Width="120px" meta:resourcekey="txtPersonForthNameResource1"/>
</div>
<div class="labelcell">
<asp:Label ID="lblPersonEthnicity" runat="server" Text="Ethnicity:" meta:resourcekey="lblPersonEthnicityResource1"/>
</div>
<div class="cell">
<asp:DropDownList ID="ddlPersonEthnicity" Width="120px" runat="server" AppendDataBoundItems="True" DataSourceID="dsPersonEthnicity" DataTextField="Ethnicity" DataValueField="EthnicityID" OnPreRender="ddlPersonEthnicity_PreRender" meta:resourcekey="ddlPersonEthnicityResource1">
<asp:ListItem Value="-1" meta:resourcekey="ListItemResource1">--Select--</asp:ListItem>
</asp:DropDownList>
</div>
</div>
</div>
这部分似乎不会出现在浏览器中：
<div class="labelcell">
<asp:Label ID="lblPersonMaidenName" runat="server" Text="Maiden Name:" meta:resourcekey="lblPersonMaidenNameResource1"/>
</div>
<div class="cell">
<asp:TextBox ID="txtPersonMaidenName" runat="server" MaxLength="200" Width="120px" meta:resourcekey="txtPersonMaidenNameResource1"/>
</div>
它在 HTML 中的显示方式（娘家姓部分）：
<div class="labelcell"></div>
<div class="cell"></div>
这是确实出现的“线”：
<div class="line">
<div class="labelcell">
<span id="lblPersonThirdName">Third Name: </span>
</div>
<div class="cell">
<input name="txtPersonThirdName" type="text" maxlength="128" id="txtPersonThirdName" style="width:120px;">
</div>
<div class="labelcell">
<span id="lblPersonFps">FPS: </span>
</div>
<div class="cell">
<input name="txtPersonFps" type="text" maxlength="200" id="txtPersonFps" style="width:120px;">
</div>
</div>