I am trying to delete a particular text value along with its root in an XML file on a given line number, using C#. But i do not know how to do it, Please can anyone suggest me a solution!!
How to Delete a XML node on a particular line using C#!!
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How to Delete a XML node on a particular line using C#!!
6stringer9
This is not possible using XML apis.
Mark gave you work-around to do that but without using line number.
Another workaound may be,
- Use File apis, Open file and get the StreamReader object for that file.
- StreamReader has "ReadLine" method which give you line from the file as string so till EOF read each line and add that into some variable
- Then you can compare it with the text you have on that line and if its that line then dont add that to the variable
- At the end, save that value in varible to the file back
Again this is weired way but just a work around if you want to try, In this case too, its not possible to delete stuff giving line number.
Mark's solution would be best choice for XML file
HTH,
Grant Holliday
Hi,
you can't really delete by line number since one the data is read into memory there are no line numbers, however you can use XPath and XmlDocument::SelectSingleNode to locate the node if you know what you are searching for i.e. /Root/Books/Book[@Title='hello'] then you can get the nodes parent and delete the child i.e.
XmlNode selectedNode = .....
selectedNode.ParentNode.RemoveChild(selectedNode);
Mark.