如何在html中添加样式到特定的th？ [英] how to add style to a particular th in html?

问题描述

我的表格格式如下：现在我需要在某些 th 中应用css。我需要增加宽度。我几乎尝试了在互联网上找到的所有东西。我该如何处理这些？

 <  表格 >  
 <   tr     class   =  abc >  
 <   td  >  <   asp：标签    ID   =  lbl   < span class =code-attribute> runat   =  server   文字  =  hyd   >  < ;   / td  >  
 <   td  >  <   asp：标签    ID   =  lblt    runat   =  server   文本  =  PS   >  <   / td  >  
 < ;   / tr  >  
 <   tr     class   =  tblSWTable >  
 <   th  >  <   asp：标签    ID   =  lbl11    runat   = 服务器   文字  =   abc   >  <   / th  >  
 <   th  >  < span class =code-keyword><   asp：Label     ID   =  lbl12    runat   =  server   文本  =   abc   >  <   / th  >  
 <   th  >  < span class =code-keyword><   asp：Label     ID   =  lbl12    runat   =  server    文字  =  abc   >  <   / th  >  
 <   th  >  <   asp：标签    ID   =  lbl14    runat   =  server   文本  =  abc   >  <   / th  >  
 <   / tr  >  
 < span class =code-keyword><   / table  >  

大约有25列。我需要增加第二行中每个th的宽度。



TIA

解决方案

您的问题有点不清楚。但我相信你需要这样的东西 - 小提琴 [ ^ ]。还添加了一些颜色！



您只需要为此定义css：



< pre lang =CSS>。 tblSWTable th {
宽度 ： 200px
}

Hi,
I have a table format below: now I need to apply css in some th's. I need to increase the width. I have tried almost everything I found on internet. How can I go about these?

<table>
    <tr class="abc">
        <td> <asp:Label ID="lbl" runat="server" Text="hyd" ></td>
        <td> <asp:Label ID="lblt" runat="server" Text="PS" ></td>
    </tr>
    <tr class="tblSWTable">
        <th> <asp:Label ID="lbl11" runat="server" Text="abc" ></th>
        <th> <asp:Label ID="lbl12" runat="server" Text="abc" ></th>
        <th> <asp:Label ID="lbl12" runat="server" Text="abc" ></th>
        <th> <asp:Label ID="lbl14" runat="server" Text="abc" ></th>
    </tr>
</table>

There are around 25 columns. i need to increase the width of each th's in the second row.

TIA

解决方案

Your question is kind of unclear. But I believe you need something like this - fiddle[^]. Also added some color!

You just need to define the css for th like this:

.tblSWTable th {
  width: 200px
}

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