Here is a snap example of using the CSID3Tags in order to set the ID3 tags of the media file using C#

CSID3Tags-Snap-Example.cs

//A snap example of using the CSID3Tags in order to set the 
//ID3 tags of the media file using C#

//Open the media file:
iD3Tags1.Open(txtMediaFile.Text);

//Set the title:
iD3Tags1.TagTitle = txtTagTitle.Text;

//Set the album name:
iD3Tags1.TagAlbum = txtTagAlbum.Text;

//Set the comment:
iD3Tags1.TagComment = txtTagComment.Text;

//Set the copyright:
iD3Tags1.TagCopyright = txtTagCopyright.Text;

//Set the lyrics:
iD3Tags1.TagLyrics = txtTagLyrics.Text;

//Set the rating tag:
float floatrating;
if (!float.TryParse(cboTagRating.Text, out floatrating))
{
    floatrating = 0;
}
iD3Tags1.RatingStars = floatrating;

//Set the year:
iD3Tags1.TagYear = txtTagYear.Text;

//Save the tags in the txtMediaFile.Text file:
iD3Tags1.Set();