Kendo ui Kendo中数据源查询后的空列
调用DataSource.Query后,我无法调用grid.setOption函数。如果我这样做,它只返回一个空网格Kendo ui Kendo中数据源查询后的空列,kendo-ui,kendo-grid,kendo-asp.net-mvc,Kendo Ui,Kendo Grid,Kendo Asp.net Mvc,调用DataSource.Query后,我无法调用grid.setOption函数。如果我这样做,它只返回一个空网格 this.jobKendoGrid.dataSource.query({ sort: sort, filter: filter, pageSize: this.jobKendoGrid.dataSource.pageSize(), page: 1
this.jobKendoGrid.dataSource.query({
sort: sort,
filter: filter,
pageSize: this.jobKendoGrid.dataSource.pageSize(),
page: 1
})
我已经在几个论坛上搜索过了,但到目前为止还没有找到
只需调用setOption就可以在网格中正常工作
this.grid.setOptions({scrollable: true, autoBind: true});
但当我调用query函数,然后调用setOption时,它会加载一个空网格
this.jobKendoGrid.dataSource.query({
sort: sort,
filter: filter,
pageSize: this.jobKendoGrid.dataSource.pageSize(),
page: 1
})
我认为在进行dataSource.Query调用之后,远程调用正在断开连接。我想这就是为什么我不能调用setOption,但我如何才能连接回远程数据源
PS:编辑
我想再次调用setOption的原因是,我在每个网格中都有一个工具栏选项,可以在FitToScreen中执行。此选项将使所有列进入屏幕
public fitToScreen() {
for (var i = 0; i < this.grid.columns.length; i++) {
if (this.grid.columns[i].title && this.grid.columns[i].title != "Edit" && this.grid.columns[i].title != " ") {
// console.log(this.grid.columns[i].width);
delete this.grid.columns[i].width;
}
}
//setOption Call
this.grid.setOptions({ scrollable: true });
// https://www.telerik.com/forums/grid-setoptions-causes-empty-grid
if (this.grid.options.autoBind === false) {
this.grid.refresh();
}
}
在上找到类似的查询。其中一个答案建议先使用,然后再执行,以解决问题
<div id="example">
<div id="grid"></div>
<button onclick="filterGrid()">Filter Grid</button>
<script>
$(document).ready(function() {
$("#grid").kendoGrid({
dataSource: {
type: "odata",
transport: {
read: "https://demos.telerik.com/kendo-ui/service/Northwind.svc/Orders"
},
schema: {
model: {
fields: {
OrderID: { type: "number" },
Freight: { type: "number" },
ShipName: { type: "string" },
OrderDate: { type: "date" },
ShipCity: { type: "string" }
}
}
},
pageSize: 20,
serverPaging: true,
serverFiltering: true,
serverSorting: true
},
height: 550,
filterable: {extra: false, mode: "row"},
sortable: true,
pageable: true,
columns: [{
field:"OrderID",
filterable: false
},
"Freight",
{
field: "OrderDate",
title: "Order Date",
format: "{0:MM/dd/yyyy}"
}, {
field: "ShipName",
title: "Ship Name", width: 200
}, {
field: "ShipCity",
title: "Ship City", width: 200
}
]
});
});
function filterGrid()
{
var grid = $("#grid").data("kendoGrid");
var sort= { field: "Freight", dir: "desc" };
var filter ={ field: "Freight", operator: "gte", value: 100 };
grid.dataSource.query({
sort: sort,
filter: filter,
pageSize: grid.dataSource.pageSize(),
page: 1
});
fitToScreen();
}
function fitToScreen()
{
console.log("fitToScreen");
var grid = $("#grid").data("kendoGrid");
for (var i = 0; i < grid.columns.length; i++) {
if (grid.columns[i].title && grid.columns[i].title != "Edit" && grid.columns[i].title != " ") {
delete grid.columns[i].width;
}
}
var currOpt = grid.getOptions();
//Check values of options you want to set
console.log(currOpt.sortable);
//setOptions call
grid.setOptions(currOpt);
//refresh call
grid.refresh();
}
</script>
</div>
特别是当您有this.gridConfig.filterable={extra:false,mode:row,}时,它不起作用。我需要了解您正在尝试的场景,比如为什么要设置数据源筛选器和排序,然后使用grid setOptions,请更新问题。更新答案。我更新到snippet以调用fitToScreen,但仍然无法重现问题。可能是我的步骤错误,或者我遗漏了什么。但是,如果您启用了this.gridConfig.filterable={extra:false,mode:row,}filter,然后使用query,然后使用setOptions,那么它会崩溃,并以空网格结束。不过,我还是无法纠正这一点。