将一个模型值分配给另一个

Question

我有一个DropDownConfiguration模型，该模型从数据库中获取值并填充下拉列表。

模型：

public class DropDownConfiguration
    {
        public int ID { get; set; }
        public int Quarter { get; set; }
        public int Year { get; set; }
        public string Project { get; set; }
        public string LineID { get; set; }

    }

的HTML：

 @Html.DropDownList("Project", new SelectList(Model.dropConfig, "ID", "Project"), "-- Select Project --", new { required = true, @class = "form-control" })

我有另一个模型DetailsConfiguration，它具有需要保存到数据库中的所有字段。

 public class DetailsConfiguration
    {

        public int Quarter { get; set; }
        public int Year { get; set; }
        public string Project { get; set; }
        public string ItemModel { get; set; }

    }

控制器HttpPost：

  [ActionName("DetailsForm")]
        [HttpPost]

        public ActionResult DetailsForm(DetailsViewModel model, FormCollection form)
        {

            DetailsConfiguration detailsConfig = new DetailsConfiguration();
            detailsConfig.Quarter = Convert.ToInt32(form["Quarter"]);
            detailsConfig.Year = Convert.ToInt32(form["Year"]);
            detailsConfig.Project = model.detailsConfig.Project;
            detailsConfig.ItemModel = model.detailsConfig.ItemModel;  
            detailsConfig.LineID = model.detailsConfig.LineID;

            floorService.SaveDetails(detailsConfig);

            ModelState.Clear();
            ViewBag.message = "Success";
            return View("DetailsForm");

        }

无论如何有做类似的事情：

model.detailsConfig.Project = model.dropConfig.Project

我需要选择要通过DetailsConfiguration发布回数据库的Project。

Answer 1

您可以创建一个映射器，将DropDownConfiguration中的属性值设置为DetailsConfiguration 。

更改下拉列表时，会将选定的DropDownConfiguration发送到服务器。 您确切知道在这里可以期待哪些属性，因此可以执行以下操作：

[HttpPost]
public IHttpActionResult AddDetailsConfiguration(DropDownConfiguration parameter)
{
   //check here if values in parameter are set

   var detailsConfiguration = new DetailsConfiguration {
        Quarter = parameter.Quarter,
        Year = parameter.Year,
        Project = parameter.Project
   }

   //Insert detailsConfiguration to database

   Return Ok();
}

请注意，必须确保在选择下拉项时发送一个DropDownConfiguration对象。 您也只能像这样发送所需的值：

[HttpPost]
public IHttpActionResult AddDetailsConfiguration(int quarter, int year, string project)
{
    //Check here if values in parameter are set and if values are correct

    var detailsConfiguration = new DetailsConfiguration
    {
         Quarter = quarter,
         Year = year,
         Project = project
    }

    //Insert detailsConfiguration to database

    Return Ok();
}