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C# System.Data.Entity.Core.Entity命令执行异常_C#_Visual Studio_Exception_Model View Controller_Datareader - Fatal编程技术网

C# System.Data.Entity.Core.Entity命令执行异常

C# System.Data.Entity.Core.Entity命令执行异常,c#,visual-studio,exception,model-view-controller,datareader,C#,Visual Studio,Exception,Model View Controller,Datareader,获取列表时显示以下未处理的用户异常 System.Data.Entity.Core.EntityCommandExecutionException:'数据读取器与指定的'EE_PlacementCellModel.PlacedCandidateList'不兼容。“DriveDate”类型的成员在数据读取器中没有同名的对应列 异常显示在最后一个返回代码中: Placement.Context.cs public virtual ObjectResult<PlacedCandidateList

获取列表时显示以下未处理的用户异常

System.Data.Entity.Core.EntityCommandExecutionException:'数据读取器与指定的'EE_PlacementCellModel.PlacedCandidateList'不兼容。“DriveDate”类型的成员在数据读取器中没有同名的对应列

异常显示在最后一个返回代码中: Placement.Context.cs

public virtual ObjectResult<PlacedCandidateList> PlacedCandidateList(Nullable<int> mstID, Nullable<int> cmpID)
        {
            var mstIDParameter = mstID.HasValue ?
                new ObjectParameter("MstID", mstID) :
                new ObjectParameter("MstID", typeof(int));

            var cmpIDParameter = cmpID.HasValue ?
                new ObjectParameter("CmpID", cmpID) :
                new ObjectParameter("CmpID", typeof(int));

            return ((IObjectContextAdapter)this).ObjectContext.ExecuteFunction<PlacedCandidateList>("PlacedCandidateList", mstIDParameter, cmpIDParameter);
        }
公共虚拟对象结果PlacedCandidateList(可为空的mstID、可为空的cmpID)
{
var mstIDParameter=mstID.HasValue?
新的ObjectParameter(“MstID”,MstID):
新的ObjectParameter(“MstID”,typeof(int));
var cmpID参数=cmpID.HasValue?
新对象参数(“CmpID”,CmpID):
新的ObjectParameter(“CmpID”,typeof(int));
返回((IObjectContextAdapter)this.ObjectContext.ExecuteFunction(“PlacedCandidateList”,mstIDParameter,cmpIDParameter);
}
其他相关代码如下所示: ReportController.cs

public virtual ObjectResult<PlacedCandidateList> PlacedCandidateList(Nullable<int> mstID, Nullable<int> cmpID)
        {
            var mstIDParameter = mstID.HasValue ?
                new ObjectParameter("MstID", mstID) :
                new ObjectParameter("MstID", typeof(int));

            var cmpIDParameter = cmpID.HasValue ?
                new ObjectParameter("CmpID", cmpID) :
                new ObjectParameter("CmpID", typeof(int));

            return ((IObjectContextAdapter)this).ObjectContext.ExecuteFunction<PlacedCandidateList>("PlacedCandidateList", mstIDParameter, cmpIDParameter);
        }
public ActionResult PlacedCandidateList(字符串MstID,字符串CmpID)
{
int-driveID=0;
int companyID=0;
如果(MstID!=“”)
driveID=Convert.ToInt32(MstID);
如果(CmpID!=“”)
companyID=转换为32(CmpID);
ViewBag.Status=Db.Status.ToList();
var List=Db.PlacedCandidateList(driveID,companyID);
返回Json(List.ToList(),JsonRequestBehavior.AllowGet);
}
公共行动结果PlacedCandidate()
{
ViewBag.Drive=Db.DriveMasters.Where(a=>a.Isdeleted==false).ToList();
ViewBag.Company=Db.companys.Where(a=>a.Isdeleted==false).ToList();
返回视图();
}
[HttpPost]
公共行动结果地点日期(候选名单候选人)
{
ViewBag.Drive=Db.DriveMasters.Where(a=>a.Isdeleted==false).ToList();
ViewBag.Company=Db.companys.Where(a=>a.Isdeleted==false).ToList();
if(candidate.CompanyID==null)
candidate.CompanyID=0;
if(candidate.DriveMasterID==null)
候选。DriveMasterID=0;
List CSL=新列表();
CSL=Db.PlacedCandidateList(candidate.DriveMasterID,candidate.CompanyID).ToList();
WebGrid grid=新的WebGrid(来源:CSL,canPage:false,canSort:false);
字符串gridhtml=grid.GetHtml(
列:grid.columns(
网格栏(“序列号”、“序列号”),
grid.Column(“学生名”、“学生名”),
grid.Column(“驱动器名”、“驱动器名”),
//网格栏(“驱动日期”、“驱动日期”),
网格栏(“公司名称”、“公司名称”),
网格栏(“位置名称”、“位置名称”)
)).ToString();
string exportdata=string.Format(“{0}{1}”,“表{border collapse:collapse;width:100%;border:1px solid#ddd;}th,td{text align:left;padding:8px;width:100px;border bottom:1px solid#ddd;}tr n子项(偶数){background color:#f2f2}th{背景色:#4CAF50;color:white;}”,gridhtml);
var bytes=System.Text.Encoding.UTF8.GetBytes(exportdata);
使用(var输入=新内存流(字节))
{
var输出=新的MemoryStream();
var document=新的iTextSharp.text.document(PageSize.A4,50,50,50);
var writer=PdfWriter.GetInstance(文档,输出);
writer.CloseStream=false;
document.Open();
var xmlworker=iTextSharp.tool.xml.XMLWorkerHelper.GetInstance();
ParseXHtml(writer、文档、输入、System.Text.Encoding.UTF8);
文件名称(“被提名候选人”);
document.AddCreationDate();
document.Close();
输出位置=0;
返回新文件streamresult(输出,“application/pdf”);
}
}
PlacedCandidateList.cs

public virtual ObjectResult<PlacedCandidateList> PlacedCandidateList(Nullable<int> mstID, Nullable<int> cmpID)
        {
            var mstIDParameter = mstID.HasValue ?
                new ObjectParameter("MstID", mstID) :
                new ObjectParameter("MstID", typeof(int));

            var cmpIDParameter = cmpID.HasValue ?
                new ObjectParameter("CmpID", cmpID) :
                new ObjectParameter("CmpID", typeof(int));

            return ((IObjectContextAdapter)this).ObjectContext.ExecuteFunction<PlacedCandidateList>("PlacedCandidateList", mstIDParameter, cmpIDParameter);
        }
/------------------------------------------------------------------------------
// 
被提名的候选人
报告
  • 被安置的候选人

  • 安置驱动器 @Html.DropDownListFor(model=>model.DriveMasterID,新选择列表(ViewBag.Drive,“DriveMasterID”,“DriveName”),“选择驱动器”,新{@class=“form control”,@Onchange=“GetVariables();”}) 单位 @Html.DropDownListFor(model=>model.CompanyID,new SelectList(ViewBag.Company,“CompanyID”,“CompanyName”),“Select Company”,new{@class=“form control”,@Onchange=“GetVariables();”})
    @model PlacementCell.Models.CandidateList
    @{
        ViewBag.Title = "Placed Candidate";
    }
    @using (Html.BeginForm("PlacedCandidate", "Report", FormMethod.Post, new { enctype = "multipart/form-data", name = "candidate", id = "candidate" }))
    {
        <div class="callout bg-gray-light">
            <div class="row">
                <div class="col-xs-2 col-md-1"><a href="#" onclick="document.getElementById('candidate').submit();"><div class="btn btn-app btn-twitter"><i class="glyphicon glyphicon-print"></i>Print</div></a></div>
            </div>
    
        </div>
        <section class="content-header">
            <h1>
               Placed Candidates 
                <small>Report</small>
            </h1>
            <ol class="breadcrumb">
                <li><a href="#"><i class="fa fa-list-alt"></i> Report</a></li>
                <li class="active"><i class="fa fa-circle-o"></i> Placed Candidates</li>
            </ol>
        </section>
        <!-- Main content -->
        <section class="content">
            <div class="box">
                <div class="box-body">
                    <br />
                    <div class="row">
                        <div class="col-xs-12 col-md-6">
                            <div class="form-horizontal">
    
                                <div class="form-group">
                                    <div class="col-md-6"> Placement Drive</div>
    
                                    <div class="col-md-6">
                                        @Html.DropDownListFor(model => model.DriveMasterID, new SelectList(ViewBag.Drive, "DriveMasterID", "DriveName"), "Select Drive", new { @class = "form-control", @Onchange = " GetVariables();" })
                                    </div>
                                </div>
    
                                <div class="form-group">
                                    <div class="col-md-6">Company</div>
                                    <div class="col-md-6">
                                        @Html.DropDownListFor(model => model.CompanyID, new SelectList(ViewBag.Company, "CompanyID", "CompanyName"), "Select Company", new { @class = "form-control", @Onchange = " GetVariables();" })
    
                                    </div>
                                </div>
    
                                <div class="form-group">
                                    <div class="col-md-6"></div>
                                    <div class="col-md-6">
                                        <a href="#" onclick="GetList();" class="btn btn-primary">Find</a>
    
                                    </div>
                                </div>
    
                            </div>
                        </div>
                    </div>
                    <div class="row">
                        <table class="table table-bordered table-hover dataTable">
                            <thead>
                                <tr>
                                    <th>
                                        <input type="checkbox" class="checkbox" />All
                                    </th>
                                    <th>
                                        Sl.
                                    </th>
                                    <th>
                                        Company Name
                                    </th>
                                    <th>
                                        Drive Name
                                    </th>
                                    <th>
                                        Drive Date
                                    </th>
                                    <th>
                                        Position Name
                                    </th>
                                    <th>
                                        Student Name
                                    </th>
                                    <th>
    
                                    </th>
    
                                </tr>
                            </thead>
                            <tbody id="drive">
                                <tr>
                                    <td></td>
                                </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </section>
    }
    @section scripts
    {
        <script type="text/javascript">
    
            function GetList() {
                var MstID = document.getElementById("DriveMasterID").value;
                var CmpID = document.getElementById("CompanyID").value;
                //alert(MstID);
                $.ajax({
                    url: '/Report/PlacedCandidateList',
                    type: "GET",
                    data: { MstID: MstID, CmpID: CmpID },
                    dataType: "JSON",
    
    
                    success: function (List) {
                        //alert("ffffg");
                        $("#drive").html(""); // clear before appending new list
                        //alert("ff");
                        var k = 10;
                        var j = 1;
                        $.each(List, function (i, vari) {
                            var Qun = "arr" + k;
                            var ErrorQun = "arre" + k;
                            var chbbx = '<tr id="checkboxes"><td><input type="checkbox" name="CandidatesListID" id=' + k + ' class="checkbox" value=" ' + vari.CandidatesListID + '" checked="checked" disabled="disabled" /></td><td> ' + j + ' </td><td> ' + vari.CompanyName + ' </td><td> ' + vari.DriveName + ' </td><td> ' + vari.DriveDate + '</td><td> ' + vari.PositionName + ' </td><td> ' + vari.StudentName + ' </td><td> ' + vari.Status + '</td></tr>';
                            $("#drive").append(
                                $(chbbx));
                            k++;
                            j++;
                            //alert(place.Place1);
                        }
                        );
                    },
                    error: function (List) {
    
                        alert("No Data Found");
                        $("#drive").html("");
                    }
    
    
                });
    
            }
    
    
    
        </script>
    }