我在这个主题中遇到了与丹尼尔相同的问题，但他的解决方案对我不起作用：
http://www.kendoui.com/forums/ui/grid/kendo-ui-grid-inserts-updates-create-duplicate-records.aspx#-jhxqRrNAUGsTFJaC-Ojwg http://www.kendoui.com/forums/ui/grid/kendo-ui-grid-inserts-updates-create-duplicate-records.aspx#-jhxqRrNAUGsTFJaC-Ojwg
所以用例。用户陆续添加2条新记录：
- 按网格的“添加新记录”按钮
- 填写字段（名称=“Alex”，金额=10，评论=“first”）。
- 录音一已准备就绪。按“保存”。 （数据进入控制器而不是数据库）
用户在网格中看到一条记录
再次按“添加新记录”按钮
- 填写字段（名称=“鲍勃”，金额= 20，评论=“第二”）。
录音一已准备就绪。按“保存”。数据进入控制器，然后进入数据库。
此时发生了一些事情，网格再次发送 Ajax 请求，并记录一个数据到控制器。
-
用户更新网格并看到三个记录
“Alex | 10 | 第一个”（重复记录）ID = 1
“鲍勃 | 20 | 第二个” ID = 2
“亚历克斯 | 10 | 第一个”ID = 1
他们建议返回一个 ID，以便正确绑定/更新数据源与新记录。
我将其返回（数据库中的新 ID 是通过奖励实体来响应的）！这没有帮助。
仅当我添加第一条记录并使用 F5 刷新页面，然后添加第二条记录时，一切正常。但如果再加一条，第三条记录——问题又出现了
控制器中的代码：
[HttpPost]
public JsonResult Create(BonusDto bonusDto)
{
BonusAggregate bonus;
if (bonusDto.Amount <= 0)
throw new ArgumentOutOfRangeException("Amount should be more than 0");
if (bonusDto.EmployeeId <= 0)
throw new ArgumentNullException("You should specify an existing employee");
using (var dbContext = new DatabaseContext())
{
BonusesRepository = new BonusesRepository(dbContext);
var employeeRepository = new EmployeesRepository(dbContext);
bonus = new BonusFactory(employeeRepository).Create(bonusDto);
BonusesRepository.Save(bonus);
}
HttpContext.Response.StatusCode = (int)HttpStatusCode.Created;
return Json(bonus); // try to return ID after bonus was saved
}
UI Code
// creates bonuses grid control
$("#bonusesGrid").kendoGrid({
dataSource: bonusesDataSource,
toolbar: ["create"],
editable: "inline",
columns: [
"BonusId",
"EmployeeId",
{
field: "EmployeeLastName",
editor: employeeAutocompletingEditor,
template: "#=EmployeeLastName#"
},
"Amount",
{
field: "Comment",
titel: "Comment",
editor: textareaEditor,
filterable: {
operators: {
number: {
contains: "Contains"
}
}
}
},
{
command: ["edit"],
title: " "
}
],
save: function(e) {
if (newValueEmployeeId !== undefined &&
newValueEmployeeLastName !== undefined &&
newValueEmployeeLastName !== "") {
setNewValueEmployeeIdAndLastName(newValueEmployeeId, newValueEmployeeLastName);
gridDataSource.model.EmployeeId = newValueEmployeeId; // it's a hack to bind model and autocomplete control
gridDataSource.model.EmployeeLastName = newValueEmployeeLastName;
} else {
gridDataSource.model.EmployeeId = currentValueEmployeeId;
gridDataSource.model.EmployeeLastName = currentValueEmployeeLastName;
}
},
edit: function(e) {
setCurrentValueEmployeeIdAndLastName(e.model.EmployeeId, e.model.EmployeeLastName);
},
cancel: function(e) {
setCurrentValueEmployeeIdAndLastName(e.model.EmployeeId, e.model.EmployeeLastName);
}
});
奖金数据来源：
// bind json result from /Bonuses/GetPagedJsonBonuses
var bonusesDataSource = new kendo.data.DataSource({
transport: {
read: {
url: "@Url.Action("GetPagedJsonBonuses", "Bonuses")",
type : "GET",
contentType: "application/json",
dataType: "json",
cache: false
},
create: {
url: "@Url.Action("Create", "Bonuses")",
dataType: "json",
type: "POST"
},
parameterMap: function(options, operation) {
if (operation === "update" || operation === "create") {
// correct format for conversion
var d = new Date(options.Date);
options.Date = kendo.toString(d, dateFormat);
// updates the BonusDTO.EmployeeId with selected value
if (newValueEmployeeId !== undefined)
options.EmployeeId = newValueEmployeeId;
}
if(operation === "read") {
options.filter = setFormattedFilterDate(options.filter);
}
return options;
}
},
pageSize: 15,
serverPaging: true,
serverSorting: true,
serverFiltering: true,
error: showErrorMessage,
schema: {
data: "Data", // PagedResponse.Data
total: "TotalCount", // PagedResponse.TotalCount
model: {
id: "BonusId", // Data
fields: {
EmployeeId: { type: "number" },
EmployeeLastName: {
type: "string",
editable: true,
nulable: false,
validation: { required: {message: "Employee's last name is required"}}
},
Date: {
type: "date",
editable: true,
nullable: false,
validation: {
required: { message: "Date is required to be set" }
}
},
Amount: {
type: "number",
editable: true,
nullable: false,
defaultValue: 1,
validation: {
required: { message: "Amount is required to be set" }
}
},
Comment: { type: "string", editable: true }
} // fields
} // model
}// schema
});
