using WordApplication = Microsoft.Office.Interop.Word.Application; 
using Document = Microsoft.Office.Interop.Word.Document; 
using Bookmark = Microsoft.Office.Interop.Word.Bookmark; 
具體實現代碼: 

WordApplication word = null; 
/**//// <summary> 
/// 實現動態添加數據打印預覽 
/// </summary> 
/// <param name="path">word模板路徑</param> 
/// <param name="adStu">調劑學生相關信息對象</param> 
private void PrintPreview(string path, AdStuInfo adStu) 
...{ 
if (word == null) 
...{ 
word = new WordApplication(); 
} 
object oMissing = System.Reflection.Missing.Value; //這個東西找了好久,不像操作Excel,用Type.mising還不行. 
object path1 = (object)path; 
Document doc = null; 
doc = word.Documents.OpenOld(ref path1, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing); 
替換書簽#region 替換書簽 
object markName = "報考單位"; 
Bookmark bm = doc.Bookmarks.get_Item(ref markName); 
bm.Range.Text = adStu.SiSch; 
markName = "報考專業"; 
bm = doc.Bookmarks.get_Item(ref markName); 
bm.Range.Text = adStu.SiMa; 
markName = "考生姓名1"; 
bm = doc.Bookmarks.get_Item(ref markName); 
bm.Range.Text = adStu.Name; 
markName = "考生編號"; 
bm = doc.Bookmarks.get_Item(ref markName); 
bm.Range.Text = adStu.No; 
markName = "調劑專業"; 
bm = doc.Bookmarks.get_Item(ref markName); 
bm.Range.Text = adStu.AdMa; 
markName = "打印時間"; 
bm = doc.Bookmarks.get_Item(ref markName); 
bm.Range.Text = GetDate().ToString(); 
markName = "考生姓名2"; 
bm = doc.Bookmarks.get_Item(ref markName); 
bm.Range.Text = adStu.Name; 
#endregion 
word.Visible = true; 
doc.PrintPreview(); 
}