@using (Html.BeginForm("SaveRisDBConfig", "Home", FormMethod.Post)) {   
     @Html.LabelFor(model => model.DBHost)  
     @Html.EditorFor(model => model.DBHost)     @Html.ValidationMessageFor(model => model.DBHost) 
                      } 

 [HttpPost] public ActionResult SaveRisDBConfig(string commandName) 
 { 
      switch （commandName) 
      {           case "保存": 
                .... 
           case "连接测试": 
                ... 
           default: 
                break;      } 
 }