Asp.net mvc .net mvc 4 razor Html.checkboxfor的问题

Asp.net mvc .net mvc 4 razor Html.checkboxfor的问题,asp.net-mvc,entity-framework,checkboxfor,Asp.net Mvc,Entity Framework,Checkboxfor,我对上述主题行的使用有两个问题 我需要在一个视图中使用两个强类型模型。我之所以需要两个不同的模型,是因为正在读取的数据来自两个不同的数据库,所以我需要为每个数据库提供一个edmx(实体框架)数据模型 我只想引入一个“模板”和“担保人”的动态列表。返回的项目数量可能会发生明显变化 问题1: 我想将每个复选框设置为“选中”,并为显示设置其名称。这样,我不知道语法是否正确,即使第二个语法没有给我设计时编译错误 问题2: 我遇到的另一个问题是,我需要为每一组复选框使用不同的模型。但是,当我在第二组复选框

我对上述主题行的使用有两个问题

我需要在一个视图中使用两个强类型模型。我之所以需要两个不同的模型,是因为正在读取的数据来自两个不同的数据库,所以我需要为每个数据库提供一个edmx(实体框架)数据模型

我只想引入一个“模板”和“担保人”的动态列表。返回的项目数量可能会发生明显变化

问题1: 我想将每个复选框设置为“选中”,并为显示设置其名称。这样,我不知道语法是否正确,即使第二个语法没有给我设计时编译错误

问题2: 我遇到的另一个问题是,我需要为每一组复选框使用不同的模型。但是,当我在第二组复选框中设置模型时,第一个模型被忽略(这是有意义的,因为它是最后一个)

如何在同一视图中成功使用每个模型,以便正确设置复选框

代码如下:

<tr>
                            <td colspan="5">
                                <b>@Html.Label("lbl_Templates", "Templates:")</b>
                            </td>
                        </tr>
                        <tr>
                            @model IEnumerable<PDFConverterModel.PDFTemplate>
                            @foreach (var item in Model)
                            {
                                <td>
                                    @Html.CheckBoxFor(model => true, item.TemplateName)
                                </td>
                            }
                        </tr>
                        <tr>
                            <td colspan="5">
                                <b>@Html.Label("lbl_Guarantor", "Guarantor(s):")</b>
                            </td>
                        </tr>
                        <tr>
                                @model IEnumerable<PDFConverterModel.tGuarantor>
                                @foreach (var item in Model)
                                {
                                    <td>
                                        @Html.CheckBoxFor(model => true, item.GuarantorFirstName + " " + item.GuarantorLastName)
                                    </td>
                                }
                        </tr>
下面是我在视图中遇到的问题

因为我要传回一个IEnumerable对象,如果我能在这里发送附件,我有4个屏幕截图来显示我如何使用我的视图

只需说一句,屏幕截图清楚地显示了模板和担保人。它们分别属于IEnumerable ViewModelTemplate_Guarantors.Templates和.Guarantors类型

我只想输入要返回的项的索引,但是我得到了一个设计时编译错误:

无法分别对“System.Collections.Generic.IEnumerable”和tGuarantor类型的表达式应用带[]的索引

称之为101编程,除非我已经精疲力尽了,但是我应该能够为上面的集合应用一个索引变量来取回相应的项,除非我完全忘记了什么

下面我做错了什么

以下是我的看法:

@model IEnumerable<PDFConverterModel.ViewModels.ViewModelTemplate_Guarantors>
@{
    ViewBag.Title = "BHG :: PDF Generator";
    int ctr = 0;
}
<h2>@ViewBag.Message</h2>

<form id="form1" runat="server">
    <div>
        <table>
            <tr>
                <td>
                    <table style="width: 1000px">
                        <tr>
                            <td colspan="5">
                                <img alt="BHG Logo" src="~/Images/logo.gif" />
                            </td>
                        </tr>
                        <tr>
                            <td>
                                <label for="txtLoanID">Loan ID :</label>
                            @(Html.Kendo().IntegerTextBox()
                                        .Name("txtLoanID")
                                        .Placeholder("Enter LoanID")
                                )

                            <td colspan="3">
                                <input type="submit" id="btnRefresh" value='Refresh' />
                            </td>
                        </tr>
                        <tr>
                            <td><@Html.Label("lblLoanType1", "Loan Type : ")</td>
                            <td><@Html.Label("lblLoanType2", "SBA")</td>
                            <td></td>
                            <td>
                                <label for="ddlDept">Department:</label>
                                @(Html.Kendo().DropDownList()
                                      .Name("ddlDept")
                                      .DataTextField("DepartmentName")
                                      .DataValueField("DepartmentID")
                                      .Events(e => e.Change("Refresh"))
                                      .DataSource(source =>
                                      {
                                          source.Read(read =>
                                          {
                                              read.Action("GetDepartments", "Home");
                                          });
                                      })
                                )
                            </td>
                        </tr>
                        <tr>
                            <td colspan="5">
                                <b>@Html.Label("lbl_Templates", "Templates:")</b>
                            </td>
                        </tr>
                        <tr>
                            @ctr = 0;
                            @foreach (var item in Model)
                            {
                                <td>
                                    @Html.CheckBoxFor(model => item.Templates[ctr].TemplateName)
                                    @ctr = ctr + 1;
                                    @Html.LabelFor(model => item.Templates[ctr].TemplateName)
                                </td>
                            }
                        </tr>
                        <tr>
                            <td colspan="5">
                                <b>@Html.Label("lbl_Guarantor", "Guarantor(s):")</b>
                            </td>
                        </tr>
                        <tr>
                            @ctr = 0;
                            @foreach (var item in Model)
                            {
                                <td>
                                    @Html.CheckBoxFor(model => item.Guarantors[ctr].GuarantorFirstName + " " + item.GuarantorLastName)
                                    @ctr = ctr + 1;
                                    @Html.LabelFor(model => item.Guarantors[ctr].GuarantorFirstName + " " + item.GuarantorLastName)
                                </td>
                            }
                        </tr>
                        <tr>
                            <td colspan="2"></td>
                            <td>
                                @*@using (Html.BeginForm("GeneratePDF", "Home", new { @loanID = loanID }, FormMethod.Post))
                                { 
                                    <input type="submit" id="btnGeneratePDF" value='Generate PDF' />
                                }*@
                            </td>
                            <td colspan="2"></td>
                        </tr>
                        <tr>
                            <td colspan="5">
                                <b>@ViewBag.Error</b>
                            </td>
                        </tr>
                    </table>
                </td>
            </tr>
        </table>
    </div>
</form>

<script type="text/javascript">

    $(document).ready(function () {
        $("#ddlDept").prepend("<option value='All' selected='selected'></option>");
    });

    var txtLoanID;

    $("#btnRefresh").click(function () {
        Refresh();
    });

    function Refresh() {

        var txtLoanID = $("#txtLoanID").val();

        if (txtLoanID != "") {
            $.post('/Home/Refresh', { loanID: $('#txtLoanID').val(), loanType: $('#lblLoanType2').val, selectedVal: $("#ddlDept option:selected").text() }, function (data) {
                data.success;
                if (data.success == true) {
                    if (data.templist == true) {
                        //show the templates
                        $("#lbl_Templates").visible = true;
                        $("#btnGeneratePDF").visible = true;
                    }
                    if (data.guarlist == true) {
                        //show the guarantors
                        $("#lbl_Guarantor").visible = true;
                        $("#btnGeneratePDF").visible = true;
                    }
                    if ((data.templist == true) && (data.guarlist == true)) {
                        $("#btnGeneratePDF").visible = true;
                    }
                    else {
                        $("#btnGeneratePDF").visible = false;
                    }
                }
                else {
                    $("#btnGeneratePDF").visible = false;
                    //hide the templates
                    $("#lbl_Templates").visible = false;
                    $("#btnGeneratePDF").visible = false;
                    //hide the guarantors
                    $("#lbl_Guarantor").visible = false;
                    $("#btnGeneratePDF").visible = false;
                }
            });
        }
        else {
            alert("Please enter a Loan ID.");
        }
    }

    $("#form1").validate({
        event: "submit",
        rules: {
            txtLoanID: {
                required: true
            }
        },
        messages: {
            txtLoanID: {
                required: ' Please enter a Loan ID. '
            }
        }
    });

</script>
@model IEnumerable
@{
ViewBag.Title=“BHG::PDF生成器”;
int ctr=0;
}
@查看包。留言
贷款编号:
@(Html.Kendo().IntegerTextBox())
.名称(“txtLoanID”)
.占位符(“输入LoanID”)
)
{
source.Read(Read=>
{
阅读。行动(“获取部门”、“主页”);
});
})
)
@标签(“lbl_模板”,“模板:”)
@ctr=0;
@foreach(模型中的var项目)
{
@Html.CheckBoxFor(model=>item.Templates[ctr].TemplateName)
@ctr=ctr+1;
@Html.LabelFor(model=>item.Templates[ctr].TemplateName)
}
@Html.标签(“lbl\U担保人”、“担保人”)
@ctr=0;
@foreach(模型中的var项目)
{
@Html.CheckBoxFor(model=>item.Guarantors[ctr].GuarantorFirstName+“”+item.GuarantorLastName)
@ctr=ctr+1;
@Html.LabelFor(model=>item.Guarantors[ctr].GuarantorFirstName+“”+item.GuarantorLastName)
}
@*@使用(Html.BeginForm(“GeneratePDF”,“Home”,new{@loanID=loanID},FormMethod.Post))
{ 
}*@
@查看包。错误
$(文档).ready(函数(){
$(“#ddldDept”)。前缀(“”);
});
var txtLoanID;
$(“#btnRefresh”)。单击(函数(){
刷新();
});
函数刷新(){
var txtLoanID=$(“#txtLoanID”).val();
如果(txtLoanID!=“”){
$.post('/Home/Refresh',{loanID:$('#txtLoanID').val(),loanType:$('#lblLoanType2').val,selectedVal:$(“#ddldldept选项:selected”).text(),函数(数据){
数据。成功;
if(data.success==true){
if(data.templast==true){
//显示温度
public ViewModelTemplate_Guarantors SelectViewModelTemplate_Guarantors(int LoanId, string LoanTypeId, int DepartmentId)
        {
            try
            {
                var model = new ViewModelTemplate_Guarantors();

                using (PDFService03Entities DbContext1 = new PDFService03Entities())
                {

                    DbContext1.Database.Connection.Open();

                    IEnumerable<PDFTemplate> temps = DbContext1.PDFTemplates.Where(p => p.LoanTypeId == Convert.ToInt32(LoanTypeId) && p.DepartmentId == DepartmentId).FromCache(CachePolicy.WithSlidingExpiration(TimeSpan.FromSeconds(30)));

                    model.Templates = temps.Select(x => new PDFTemplate
                    {
                        TemplateId = x.TemplateId.ToString(),
                        TemplateName = x.TemplateName
                    });
                }

                using (VisionEntities DbContext2 = new VisionEntities())
                {
                    DbContext2.Database.Connection.Open();

                    IEnumerable<tGuarantor> guars = DbContext2.tGuarantors.Where(p => p.ApplicationNum == LoanId).FromCache(CachePolicy.WithSlidingExpiration(TimeSpan.FromSeconds(30)));

                    model.Guarantors = guars.Select(x => new tGuarantor
                    {
                        ApplicationNum = x.ApplicationNum,
                        GuarantorFirstName = x.GuarantorFirstName,
                        GuarantorLastName = x.GuarantorLastName
                    });
                }

                return model;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
ViewModelTemplate_Guarantors tg = db.SelectViewModelTemplate_Guarantors(Convert.ToInt32(loanID), loanType, Convert.ToInt32(selectedVal));
@model IEnumerable<PDFConverterModel.ViewModels.ViewModelTemplate_Guarantors>
@{
    ViewBag.Title = "BHG :: PDF Generator";
    int ctr = 0;
}
<h2>@ViewBag.Message</h2>

<form id="form1" runat="server">
    <div>
        <table>
            <tr>
                <td>
                    <table style="width: 1000px">
                        <tr>
                            <td colspan="5">
                                <img alt="BHG Logo" src="~/Images/logo.gif" />
                            </td>
                        </tr>
                        <tr>
                            <td>
                                <label for="txtLoanID">Loan ID :</label>
                            @(Html.Kendo().IntegerTextBox()
                                        .Name("txtLoanID")
                                        .Placeholder("Enter LoanID")
                                )

                            <td colspan="3">
                                <input type="submit" id="btnRefresh" value='Refresh' />
                            </td>
                        </tr>
                        <tr>
                            <td><@Html.Label("lblLoanType1", "Loan Type : ")</td>
                            <td><@Html.Label("lblLoanType2", "SBA")</td>
                            <td></td>
                            <td>
                                <label for="ddlDept">Department:</label>
                                @(Html.Kendo().DropDownList()
                                      .Name("ddlDept")
                                      .DataTextField("DepartmentName")
                                      .DataValueField("DepartmentID")
                                      .Events(e => e.Change("Refresh"))
                                      .DataSource(source =>
                                      {
                                          source.Read(read =>
                                          {
                                              read.Action("GetDepartments", "Home");
                                          });
                                      })
                                )
                            </td>
                        </tr>
                        <tr>
                            <td colspan="5">
                                <b>@Html.Label("lbl_Templates", "Templates:")</b>
                            </td>
                        </tr>
                        <tr>
                            @ctr = 0;
                            @foreach (var item in Model)
                            {
                                <td>
                                    @Html.CheckBoxFor(model => item.Templates[ctr].TemplateName)
                                    @ctr = ctr + 1;
                                    @Html.LabelFor(model => item.Templates[ctr].TemplateName)
                                </td>
                            }
                        </tr>
                        <tr>
                            <td colspan="5">
                                <b>@Html.Label("lbl_Guarantor", "Guarantor(s):")</b>
                            </td>
                        </tr>
                        <tr>
                            @ctr = 0;
                            @foreach (var item in Model)
                            {
                                <td>
                                    @Html.CheckBoxFor(model => item.Guarantors[ctr].GuarantorFirstName + " " + item.GuarantorLastName)
                                    @ctr = ctr + 1;
                                    @Html.LabelFor(model => item.Guarantors[ctr].GuarantorFirstName + " " + item.GuarantorLastName)
                                </td>
                            }
                        </tr>
                        <tr>
                            <td colspan="2"></td>
                            <td>
                                @*@using (Html.BeginForm("GeneratePDF", "Home", new { @loanID = loanID }, FormMethod.Post))
                                { 
                                    <input type="submit" id="btnGeneratePDF" value='Generate PDF' />
                                }*@
                            </td>
                            <td colspan="2"></td>
                        </tr>
                        <tr>
                            <td colspan="5">
                                <b>@ViewBag.Error</b>
                            </td>
                        </tr>
                    </table>
                </td>
            </tr>
        </table>
    </div>
</form>

<script type="text/javascript">

    $(document).ready(function () {
        $("#ddlDept").prepend("<option value='All' selected='selected'></option>");
    });

    var txtLoanID;

    $("#btnRefresh").click(function () {
        Refresh();
    });

    function Refresh() {

        var txtLoanID = $("#txtLoanID").val();

        if (txtLoanID != "") {
            $.post('/Home/Refresh', { loanID: $('#txtLoanID').val(), loanType: $('#lblLoanType2').val, selectedVal: $("#ddlDept option:selected").text() }, function (data) {
                data.success;
                if (data.success == true) {
                    if (data.templist == true) {
                        //show the templates
                        $("#lbl_Templates").visible = true;
                        $("#btnGeneratePDF").visible = true;
                    }
                    if (data.guarlist == true) {
                        //show the guarantors
                        $("#lbl_Guarantor").visible = true;
                        $("#btnGeneratePDF").visible = true;
                    }
                    if ((data.templist == true) && (data.guarlist == true)) {
                        $("#btnGeneratePDF").visible = true;
                    }
                    else {
                        $("#btnGeneratePDF").visible = false;
                    }
                }
                else {
                    $("#btnGeneratePDF").visible = false;
                    //hide the templates
                    $("#lbl_Templates").visible = false;
                    $("#btnGeneratePDF").visible = false;
                    //hide the guarantors
                    $("#lbl_Guarantor").visible = false;
                    $("#btnGeneratePDF").visible = false;
                }
            });
        }
        else {
            alert("Please enter a Loan ID.");
        }
    }

    $("#form1").validate({
        event: "submit",
        rules: {
            txtLoanID: {
                required: true
            }
        },
        messages: {
            txtLoanID: {
                required: ' Please enter a Loan ID. '
            }
        }
    });

</script>