Question

我有以下get方法来添加表单数据和编辑表单数据

在该表中也有表格AB_Product_vs_Field我有以下列

Product_ID
Field_ID
Field_Value_EN
Field_Value_AR

一旦我通过Product_ID和Field_ID页码，就可以找到AB_Product_vs_Field

中是否存在任何记录

如果它有特定记录我可以加载相关值

否则它没有记录我可以将插入作为新记录加载

[HttpGet]
public ActionResult Add_Field_Values(int? page, string Product_ID,string FieldID)
{
    var pager = new PaginationModel.Pager(dummyItems.Count(), page);

    ViewBag.Product_ID = Product_ID;
    ViewBag.FieldID = FieldID;

    //check specific row exist or not in AB_Product_vs_Field table
    if ((db.AB_Product_vs_Field.Any(u => u.Product_ID == Product_ID)) & (db.AB_Product_vs_Field.Any(u => u.Field_ID == FieldID)))
    {
        //edit a product field values
        var product_values = new ProductEdit
        {

            ListProductFields = db.AB_Product_vs_Field.Where((p => p.Field_ID == FieldID)).Where(p => p.Product_ID == Product_ID).ToList(),
            ListProductLables = db.AB_ProductTypeCategoryField.Where(p => p.ProductFieldID == FieldID).ToList(),
            Pager = pager,          

        };

        return View("~/Views/Home/Edit_Field_Values.cshtml", product_values);

    }

    else
    {
        //add new product field values
        var model = new AddNewProduct
        {
            ListProductFields_Add = db.AB_ProductTypeCategoryField.OrderBy(i => i.ProductFieldID).Skip((pager.CurrentPage - 1) * pager.PageSize).Take(pager.PageSize).ToList(),
            Pager = pager                   
        };

        return View(model);

    }
}

这些是与上述控制器相关的模型

AddNewProduct模型类

public class AddNewProduct
{
    public string Product_ID { get; set; } }
    public string Field_ID { get; set; }
    public string ProductFieldNameEn { get; set; }
    public string ProductFieldNameAr { get; set; }
    public IList<AB_ProductTypeCategoryField> ListProductFields { get; set; }

    public IEnumerable<string> Items { get; set; }
    public PaginationModel.Pager Pager { get; set; }


    public int PageSize { get; set; }
    public int PageCount { get; set; }
    public int CurrentPageIndex { get; set; }
}

这是ProductEdit模型类

public class ProductEdit
{
    public string Product_ID { get; set; }        
    public string Field_ID { get; set; }
    public string ProductFieldNameEn { get; set; }
    public string ProductFieldNameAr { get; set; }

    public IList<AB_Product_vs_Field> ListProductFields { get; set; }
    public IList<AB_ProductTypeCategoryField> ListProductLables { get; set; }
    public IEnumerable<string> Items { get; set; }
    public PaginationModel.Pager Pager { get; set; }


    public int PageSize { get; set; }
    public int PageCount { get; set; }
    public int CurrentPageIndex { get; set; }
}

这是添加新产品的视图

@model project_name.Models.AddNewProduct


<h4>Add New Product</h4>


@using (Html.BeginForm("Add_Field_Values", "Home", new { Product_ID = ViewBag.Product_ID }, FormMethod.Post))
{
    @Html.AntiForgeryToken()

    <div class="form-horizontal">


        @Html.ValidationSummary(true, "", new { @class = "text-danger" })

       <div style="visibility:hidden"> @ViewBag.Product_ID </div>
       <div style="visibility:hidden"> @ViewBag.FieldID </div>


        @for (int i = 0; i < Model.ListProductFields.Count; i++)
        {
            <div class="form-group">
                @Html.LabelFor(x => x.ListProductFields[i].ProductFieldNameEn, Model.ListProductFields[i].ProductFieldNameEn, htmlAttributes: new { @class = "control-label col-md-2" })
                <div class="col-md-10">
                    @Html.HiddenFor(m => m.ListProductFields[i].ProductFieldID
                    @Html.TextAreaFor(m => m.ListProductFields[i].Field_Value_EN, new { @class = "form-control summernote", @row = 5 })                    
                </div>
            </div>
            <div class="form-group">
                @Html.LabelFor(x => x.ListProductFields[i].ProductFieldNameAr, Model.ListProductFields[i].ProductFieldNameAr, htmlAttributes: new { @class = "control-label col-md-2" })
                <div class="col-md-10">
                    @Html.HiddenFor(m => m.ListProductFields[i].ProductFieldID) 
                    @Html.TextAreaFor(m => m.ListProductFields[i].Field_Value_AR, new { @class = "form-control summernote", @row = 5 })
                </div>
            </div>

             <!-- pagination section -->

            <div class="form-group">
                <div class="col-md-10">
                    <!-- pager -->
                    @if (Model.Pager.EndPage > 1)
                    {
                        <ul class="pagination">
                            @if (Model.Pager.CurrentPage > 1)
                        {
                                <li>
                                    <a href="@Url.Action("Add_Field_Values","Home", new { Product_ID = ViewBag.Product_ID }, null)">First</a>
                                </li>
                                <li>
                                    <a href="@Url.Action("Add_Field_Values","Home", new { page = (Model.Pager.CurrentPage - 1), Product_ID = ViewBag.Product_ID }, null)">Previous</a>
                                </li>
                            }

                            @for (var page = Model.Pager.StartPage; page <= Model.Pager.EndPage; page++)
                        {
                                <li class="@(page == Model.Pager.CurrentPage ? "active" : "")">
                                    <a href="@Url.Action("Add_Field_Values","Home", new { page = page, Product_ID = ViewBag.Product_ID }, null)">@page</a>
                                </li>
                            }

                            @if (Model.Pager.CurrentPage < Model.Pager.TotalPages)
                        {
                                <li>
                                    <a href="@Url.Action("Add_Field_Values","Home", new { page = (Model.Pager.CurrentPage + 1), Product_ID = ViewBag.Product_ID }, null)">Next</a>
                                </li>
                                <li>

                                    <a href="@Url.Action("Add_Field_Values","Home", new { page = (Model.Pager.TotalPages), Product_ID = ViewBag.Product_ID }, null)">Last</a>
                                </li>
                            }
                        </ul>
                    }
                </div>
                <div class="col-md-offset-2 col-md-10">
                    <input type="submit" value="Save Details" class="btn btn-success" />
                </div>

            </div>


        }

    </div>  }
     @section scripts{}

这是产品字段值的编辑视图

@model project_name.Models.ProductEdit

<h4>Add New Product</h4>

@using (Html.BeginForm("Add_Field_Values", "Home", new { Product_ID = ViewBag.Product_ID }, FormMethod.Post))
{
    @Html.AntiForgeryToken()

    <div class="form-horizontal">

        <hr />
        @Html.ValidationSummary(true, "", new { @class = "text-danger" })

        <div style="visibility:hidden"> @ViewBag.Product_ID </div>
        <div style="visibility:hidden"> @ViewBag.FieldID </div>

        <div class="form-group">
            @Html.LabelFor(x => x.ListProductLables[0].ProductFieldNameEn, Model.ListProductLables[0].ProductFieldNameEn, htmlAttributes: new { @class = "control-label col-md-2" })
            <div class="col-md-10">
                @Html.HiddenFor(m => m.ListProductFields[0].Field_ID)
                @if (Model.ListProductFields[0].Field_ID == "F000014" | Model.ListProductFields[0].Field_ID == "F000015")
                @Html.TextAreaFor(m => m.ListProductFields[0].Field_Value_EN, new { @class = "form-control summernote", @row = 5 })                
            </div>
        </div>

        <div class="form-group">
            @Html.LabelFor(x => x.ListProductLables[0].ProductFieldNameAr, Model.ListProductLables[0].ProductFieldNameAr, htmlAttributes: new { @class = "control-label col-md-2" })
            <div class="col-md-10">
                @Html.HiddenFor(m => m.ListProductFields[0].Field_ID)
                @Html.TextAreaFor(m => m.ListProductFields[0].Field_Value_AR, new { @class = "form-control summernote", @row = 5 })

            </div>
        </div>

        <!-- pagination section -->

        <div class="form-group">

            <div class="col-md-10">
                <!-- pager -->
                @if (Model.Pager.EndPage > 1)
                {
                    <ul class="pagination">
                        @if (Model.Pager.CurrentPage > 1)
                        {
                            <li>
                                <a href="@Url.Action("Add_Field_Values","Home", new { Product_ID = ViewBag.Product_ID }, null)">First</a>
                            </li>
                                <li>
                                    <a href="@Url.Action("Add_Field_Values","Home", new { page = (Model.Pager.CurrentPage - 1), Product_ID = ViewBag.Product_ID }, null)">Previous</a>
                                </li>
                        }

                        @for (var page = Model.Pager.StartPage; page <= Model.Pager.EndPage; page++)
                        {
                            <li class="@(page == Model.Pager.CurrentPage ? "active" : "")">
                                <a href="@Url.Action("Add_Field_Values","Home", new { page = page, Product_ID = ViewBag.Product_ID }, null)">@page</a>
                            </li>
                        }

                        @if (Model.Pager.CurrentPage < Model.Pager.TotalPages)
                        {
                            <li>
                                <a href="@Url.Action("Add_Field_Values","Home", new { page = (Model.Pager.CurrentPage + 1), Product_ID = ViewBag.Product_ID }, null)">Next</a>
                            </li>
                                <li>

                                    <a href="@Url.Action("Add_Field_Values","Home", new { page = (Model.Pager.TotalPages), Product_ID = ViewBag.Product_ID }, null)">Last</a>
                                </li>
                        }
                    </ul>

                }

            </div>

            <div class="col-md-offset-2 col-md-10">
                <input type="submit" value="Save Details" class="btn btn-success" />
            </div>

        </div>


    </div>
    }
    @section scripts{}

此添加视图应该逐个添加记录，每个产品最多15条记录，这些值将保存到AB_Product_vs_Field，以便第一条记录正常工作。但是一旦我点击下一个或第二个，我就会出现以下错误

指数超出范围。必须是非负数且小于集合。参数名称：index

错误发生在此行

@ Html.HiddenFor（m =＆gt; m.ListProductFields [0] .Field_ID）

{p}在Add_Field_Values页

中

在mvc中的不同ViewPages中加载编辑视图和创建视图

0 个答案: