public UnitbaViewModel()
 {
     unitbaModel = new UnitbaModel();
     單位  = "";
     說明  = "";
     輸入人員  = "";
     輸入地點  = "";
     增刪修  = "";
     選擇  = "";
 }
 public UnitbaViewModel()
 {
     unitbaModel = new UnitbaModel();
     增刪修 = "A";
 }