public void MailMergeInsertCheckBox()
{
Document doc = new Document(MyDir + "MailMerge.InsertCheckBox.doc");
// Add a handler for the MergeField event.
doc.MailMerge.FieldMergingCallback = new HandleMergeFieldInsertCheckBox();
// Execute mail merge with regions.
DataTable dataTable = GetStudentCourseDataTable();
doc.MailMerge.ExecuteWithRegions(dataTable);
// Save resulting document with a new name.
doc.Save(MyDir + @"\Artifacts\MailMerge.InsertCheckBox.doc");
}