我在很多地方看到过这个问题,但似乎找不到解决方案。所以我定义了一个带有CRUD操作的Kendo网格,事情是之前被解雇的操作再次被解雇。 假设您删除条目X,然后添加条目Y,创建操作将触发,之后删除操作(对于已删除的X)将再次触发。如果你先创建一个元素然后编辑另一个元素,那么它也是同样的事情,它编辑第二个元素,然后重新触发第一个create语句并插入第一个插入元素的副本。如果您继续进行多项操作,则会发生所有其他先前操作被触发并发送给控制器的恶梦。Kendo UI Grid多次触发CRUD操作
我网格是:
function InitializeIPAddressesGrid(userID) {
selectedUserID = userID;
$(".ipAddresses").kendoGrid({
dataSource: IPAdressesDataSource,
sortable: {
mode: "single",
allowUnsort: false
},
remove: function (e) {
this.refresh();
var canDelete = confirm("Are you sure you want to delete this record?");
if (!canDelete) {
e.preventDefault();
}
},
height: 420,
resizable: true,
pageable: {
refresh: true,
pageSize: 10
},
selectable: "row",
toolbar: ["create"],
editable:{mode: "inline", confirmation:false} ,
columns: [{
field: "IpAddress",
title: "IP Address"
},
{
field: "Status",
title: "Status"
},
{
field: "LockedUntil",
title: "Locked until",
template: "#=kendo.toString(LockedUntil, 'yyyy/MM/dd')#"
},
{ command: ["edit", "destroy"], title: " ", width: "180px" }
]
});
}
var IPAdressesDataSource = new kendo.data.DataSource({
type: "json",
serverPaging: true,
serverSorting: true,
serverFiltering: true,
pageSize: 10,
//scrollable:false,
transport: {
read: {
url: websiteRootUrl + '/PortalAuthorization/GetIPAddressesList',
},
update: {
url: websiteRootUrl + "/PortalAuthorization/UpdateIP",
dataType: "json",
type: 'POST',
complete: function (e) {
if (e.status != 200) {
alert(eval('(' + e.responseText + ')').Message);
}
}
},
create: {
url: websiteRootUrl + "/PortalAuthorization/CreateIP",
dataType: "json",
type: 'POST',
complete: function (e) {
if (e.status != 200) {
alert(eval('(' + e.responseText + ')').Message);
}
}
},
destroy: {
url: websiteRootUrl + "/PortalAuthorization/DeleteIP",
dataType: "json",
type: 'DELETE',
complete: function (e) {
if (e.status != 200) {
alert(eval('(' + e.responseText + ')').Message);
}
}
},
parameterMap: function (options, operation) {
if (operation == "update" && options) {
return {ipAddress: options.IpAddress ,
status: options.Status ,
lockedUntil: kendo.toString(options.LockedUntil, 'yyyy/MM/dd'),
pkey: options.ID,
databaseID: selectedDatabaseID };
}
else
if (operation == "destroy" && options)
{
return {
databaseID: selectedDatabaseID,
pkey: options.ID,
userIDParam: selectedUserID
};
}
else
if (operation == "create" && options) {
return {ipAddress: options.IpAddress ,
status: options.Status ,
lockedUntil: kendo.toString(options.LockedUntil, 'yyyy/MM/dd'),
pkey: options.ID,
userIDParam: selectedUserID,
databaseID: selectedDatabaseID };
}
else
{
options.databaseID = selectedDatabaseID;
options.userID = selectedUserID;
return options;
}
}
},
schema: {
model: {
id: "ID",
fields: {
IpAddress: { type: "string" },
Status: { type: "string" },
LockedUntil: { type: "date" }
}
},
data: function (data) {
return data.Items;
},
total: function (data) {
return data.TotalCount;
}
}
});
我的控制器:
public object UpdateIP(int databaseID, long pkey, string status, string lockedUntil, string ipAddress)
{
var database = [...];
DynamicDataRepository repository = [...];
string query = "...";
repository.ExecuteNonQuery(query);
return new HttpResponseMessage(HttpStatusCode.OK);
}
public object DeleteIP(int databaseID, long pkey, int? userIDParam)
{
var database = [...];
DynamicDataRepository repository = [...];
string query = "...";
repository.ExecuteNonQuery(query);
return new HttpResponseMessage(HttpStatusCode.OK);
}
public object CreateIP(int databaseID, long? pkey, string status, string lockedUntil, string ipAddress, int? userIDParam)
{
var database = [...];
DynamicDataRepository repository = [...];
string query = "...";
repository.ExecuteNonQuery(query);
return new HttpResponseMessage(HttpStatusCode.OK);
}
你有任何IDEEA?我做错了什么?提前致谢。附:控制器中的查询工作正常。
如果创建不够,返回OK,您应该返回具有与默认值不同的ID的记录。对于更新,您还应该返回元素以便删除脏标志。 – OnaBai
我该怎么做?我的意思是,在更新的情况下,我必须进行另一个查询来获取更新的数据行并将其作为json传递给它? - 像在读?另外,我应该在整个事件中初始化一些东西吗?在删除的情况下呢?..事情是我有另一种创建网格的方法,这是动态的..最坏的情况下,我会重做有问题的网格(我喜欢4-5网格完成“手动”和另外20个动态地完成的事情)就像那样..但是这些动作也返回OK - 使用的动态。唯一的区别是它们在api控制器中。 – Vlad
@OnaBai:对于更新,您不必返回元素,只返回已编辑元素的ID作为响应正文就足够了。 –