使用LINQ的XML元素删除 [英] delete element from xml using LINQ

问题描述

你好，我已经像一个XML文件：

Hello I've a xml file like:

<starting>
   <start>
      <site>mushfiq.com</site>
      <site>mee.con</site>
      <site>ttttt.co</site>
      <site>jkjhkhjkh</site>
      <site>jhkhjkjhkhjkhjkjhkh</site>
     <site>dasdasdasdasdasdas</site>
 </start>
</starting>

现在我需要删除任何<网站> ...< /站点> 和值会随机从一个文本框定

Now I need to delete any <site>...</site> and value will randomly be given from a textbox.

下面是我的代码：

XDocument doc = XDocument.Load(@"AddedSites.xml");                
var deleteQuery = from r in doc.Descendants("start") where r.Element("site").Value == txt.Text.Trim() select r;
foreach (var qry in deleteQuery)
{
    qry.Element("site").Remove();
}
doc.Save(@"AddedSites.xml");

如果我把第一个元素的值在文本框中，然后就可以删除它，但如果我把除了第一个元素的值元素的任何值，它可能无法删除！我需要我会把任何元素......任何价值，因为它可以第二元素或第三或第四等等....谁能帮我吗？ ！感谢先进

If I put the value of first element in the textbox then it can delete it, but if I put any value of element except the first element's value it could not able to delete! I need I'll put any value of any element...as it can be 2nd element or 3rd or 4th and so on.... can anyone help me out? thanks in advanced!

推荐答案

编辑：好的，有进一步的编辑，它更清晰，你想要做什么，因为它发生很比你让，感谢 删除显著容易在>的IEnumerable< T>其中T：XNode ：

Okay, with further editing, it's clearer what you want to do, and as it happens it's significantly easier than you're making it, thanks to the Remove extension method on IEnumerable<T> where T : XNode:

string target = txt.Text.Trim();
doc.Descendants("start")
   .Elements("site")
   .Where(x => x.Value == target)
   .Remove();

这就是你所需要的。

That's all you need.

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