C # create/write XML

Private void writexmlmsg (string strpath, string strtitle, string MSG)
{
Xmldocument xmldoc = new xmldocument ();
Xmlnode xmln;
If (! File. exists (strpath ))
{
Xmln = xmldoc. createelement ("test ");
Xmlelement filterelm = xmldoc. createelement ("Tree ");
Xmlnode xmlpucomtest = xmldoc. createelement ("strtitle ");
Xmlpucomtest. innertext = strtitle;
Xmlnode xmlpucomlink = xmldoc. createelement ("MSG ");
Xmlpucomlink. innertext = MSG;
Filterelm. appendchild (xmlpucomtest );
Filterelm. appendchild (xmlpucomlink );
Xmln. appendchild (filterelm); // Add the child node to the inverted Root Node
Xmldoc. appendchild (xmln); // Add the root node to the doc
Xmldoc. Save (strpath); // store it to a file. The file is the path name of the entire file.
}
Else
{
Xmldoc. Load (strpath );
Xmln = xmldoc. selectsinglenode ("test ");

Xmlelement filterelm = xmldoc. createelement ("Tree ");

Xmlnode xmlpucomtest = xmldoc. createelement ("strtitle ");
Xmlpucomtest. innertext = strtitle;
Xmlnode xmlpucomlink = xmldoc. createelement ("MSG ");
Xmlpucomlink. innertext = MSG;

Filterelm. appendchild (xmlpucomtest );
Filterelm. appendchild (xmlpucomlink );

Xmln. appendchild (filterelm); // Add the child node to the inverted Root Node
Xmldoc. appendchild (xmln); // Add the root node to the doc
Xmldoc. Save (strpath); // store it to a file. The file is the path name of the entire file.
}

}

For more information, see...

First-created category:
1. XX type
Create another person name:
2. Someone
Create a title again:
Title + content

[XML addition, deletion, modification, and query http://silverlight.cn/node/270]