[英]Kendo Grid Row Selection Client-side Persistence Issue
We have selections persisting, maybe just a bit too much. 我们的选择还在持续,也许只是太多了。 :D
:d
For example, if you have a multipage kendo grid with client side data, do this with a client side kendo grid: 例如,如果您有一个包含客户端数据的多页面剑道网格,请使用客户端剑道网格来执行此操作:
Select a row on Page 1 在第1页上选择一行
Go to Page 2 转到第2页
Select a row on Page 2 THEN deselect it and select another row 在第2页上选择一行,然后取消选择它并选择另一行
Go back to Page 1 (row selection persists) 返回第1页(行选择仍然存在)
Go back to Page 2 返回第2页
Row selection persists, but also the row that was previously deselected is also selected. 行选择仍然存在,但也会选择先前取消选择的行。
Is there a solution to this? 有针对这个的解决方法吗? Something we can use in the change event:
我们可以在change事件中使用的东西:
http://dojo.telerik.com/@crunchfactory/uhEZe/7 http://dojo.telerik.com/@crunchfactory/uhEZe/7
Thank you, 谢谢,
j Ĵ
Please try with the below code snippet. 请尝试使用以下代码段。
<!DOCTYPE html>
<html>
<head>
<title></title>
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2015.2.902/styles/kendo.common-material.min.css" />
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2015.2.902/styles/kendo.material.min.css" />
<script src="https://kendo.cdn.telerik.com/2015.2.902/js/jquery.min.js"></script>
<script src="https://kendo.cdn.telerik.com/2015.2.902/js/kendo.all.min.js"></script>
</head>
<body>
<script src="http://demos.telerik.com/kendo-ui/content/shared/js/products.js"></script>
<div id="example">
<div id="grid"></div>
<script>
$(document).ready(function () {
var selectedOrders = [];
var idField = "ProductID";
$("#grid").kendoGrid({
dataSource: {
data: products,
schema: {
model: {
fields: {
ProductName: { type: "string" },
UnitPrice: { type: "number" },
UnitsInStock: { type: "number" },
Discontinued: { type: "boolean" }
}
}
},
pageSize: 20
},
height: 550,
scrollable: true,
sortable: true,
selectable: "multiple, row",
pageable: {
input: true,
numeric: false
},
columns: [
"ProductName",
{ field: "UnitPrice", title: "Unit Price", format: "{0:c}", width: "130px" },
{ field: "UnitsInStock", title: "Units In Stock", width: "130px" },
{ field: "Discontinued", width: "130px" }
],
change: function (e, args) {
var grid = e.sender;
var items = grid.items();
items.each(function (idx, row) {
var idValue = grid.dataItem(row).get(idField);
if (row.className.indexOf("k-state-selected") >= 0) {
selectedOrders[idValue] = true;
} else if (selectedOrders[idValue]) {
delete selectedOrders[idValue];
}
});
},
dataBound: function (e) {
var grid = e.sender;
var items = grid.items();
var itemsToSelect = [];
items.each(function (idx, row) {
var dataItem = grid.dataItem(row);
if (selectedOrders[dataItem[idField]]) {
itemsToSelect.push(row);
}
});
e.sender.select(itemsToSelect);
}
});
});
</script>
</div>
</body>
</html>
Let me know if any concern. 让我知道是否有任何问题。
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