问题描述
我是 ASP.NET MVC 的新手,正在尝试创建一个页面。我的页面有一个带有分页的搜索区域和网格视图。
PagerModel 模型是包含分页细节的常用模型。
public class ProductSearchModel
{
public int ClientId { get; set; }
public IList<SelectListItem> Clients { get; set; } = new List<SelectListItem>();
public int StoreId { get; set; }
public IList<SelectListItem> Stores { get; set; } = new List<SelectListItem>();
public string Title { get; set; }
public string Sku { get; set; }
public string vendor { get; set; }
public IList<SelectListItem> vendors { get; set; } = new List<SelectListItem>();
public string ProductType { get; set; }
public IList<SelectListItem> ProductTypes { get; set; } = new List<SelectListItem>();
public PagerModel PagingModel { get; set; } = new PagerModel();
}
public class PagerModel
{
public int Pagetotal { get; set; }
public int PageIndex { get; set; }
public int PagingButtonCount { get; set; }
public int PageNumber { get; set; }
public int PageSize { get; set; }
public int PagesCount { get; set; }
public bool ShowTotalSummary { get; set; }
}
这是我的 Ajax 请求;我也尝试使用 JSON.stringify(postData)
,但它仍然不起作用:
function fetchData(pageNumber) {
var $loading = "<div class='loading'>Please wait...</div>";
$('#updatePanel').prepend($loading);
var clientId = $("#@Html.IdFor(model => model.ClientId)").val();
var storeId = $("#@Html.IdFor(model => model.StoreId)").val();
var title = $("#@Html.IdFor(model => model.Title)").val();
var sku = $("#@Html.IdFor(model => model.Sku)").val();
var productType = $("#@Html.IdFor(model => model.ProductType)").val();
var vendor = $("#@Html.IdFor(model => model.vendor)").val();
var pageSize = @Model.PagingModel.PageSize;
var postData = {
clientId: parseInt(clientId),storeId: parseInt(storeId),title: title,sku: sku,productType: productType,vendor: vendor,pagingModel: {
pageNumber: pageNumber,pageIndex: (pageNumber - 1),pageSize: pageSize
}
};
debugger;
$.ajax({
type: 'POST',dataType: 'json',contentType: 'application/json',url: "@(Url.Action("PopulateProductGrid","Products"))",data: postData,//JSON.stringify(postData),success: function (data) {
},error: function (jqXHR,textStatus,errorThrown) {
alert(textStatus);
}
});
}
这是 ProductController
操作方法。我试过没有 [FromBody]
,但它不起作用:
[HttpPost]
public ActionResult PopulateProductGrid([FromBody] ProductSearchModel searchModel)
{
var productModel = GetProducts(searchModel);
var data = new {
Product = productModel.Products,TotalPage = productModel.PagerModel.Pagetotal,PagesCount = productModel.PagerModel.PagesCount,PagingButtonCount = productModel.PagerModel.PagingButtonCount
};
return Json(data);
}
解决方法
修复你的ajax:
$.ajax({
type: 'POST',url: "/Products/PopulateProductGrid",data: postData,success: function (data) {
},error: function (jqXHR,textStatus,errorThrown) {
alert(textStatus);
}
});
如果它仍然不起作用,那么也修复您的数据:
删除解析
clientId: clientId,storeId: storeId,....
并使您的数据语法更简单,例如用这个替换您的clientId
var clientId = $("#clientId").val();
// and so on for another data controls
如果您的视图控件中没有 id,则添加它们。