In general, page data paging display is divided into two true and false. True paging is to rely on the background query to control the number of data to achieve paging, that is, the page in the background to the data processing, only the current need to transfer the page data to the foreground to display. and false paging is the background of all the data sent to the foreground at once, and then by the front-end program to control the display and masking of data.Now that you are paging, you must
Beginners small problem big problems are more, is because of beginners, to the framework to understand not so deep. Here I take out a beginner may encounter a problem to say, the DataGrid is more commonly used also more complex, it has load,reload,loaddata these three methods, they all have the same function, are loaded data, but there are differences.
The Load method, for example, I have defined a DataGrid
The HTML code uses class to declare the DataGrid, causing Easyui to parse the DataGrid in the class declaration when parsing the class code, so that the component requests a URL, and then invokes the JS initialization code to request the URL once. This results in a duplicate load, and the workaround is to declare the Easyui component with only one initialization method to avoid duplicate commit requests, th
Found that Easyui is still very powerful, but also very convenient, but for like me just contact this framework, JavaScript is not very skilled people, it is a little difficult to customize, mainly want to modify the source to change the role of the global modification of the corresponding code to find more trouble.For example: Easyui's DataGrid default paging is 10 per page, the number of records per page that can be selected is incremented by 10, i.
This example shows how to sort the DataGrid by clicking on the list header.
All columns in the DataGrid can be sorted by clicking on the list header, you can define which row can be sorted, and the default column is not sorted unless you set the sortable property to True
Create an A DataGrid
We define some sortable columns that contain itemid,pr
This article mainly introduces the reload failure solution of datagrid in EasyUI under ie, and finally solves this problem based on several solutions collected on the Internet, I hope this will help you.
Problem
I recently used EasyUI to develop the background system and found a strange problem during the test, $ ('dg '). datagrid ('reload'); when the table data is reloaded, ie does not respond at all. Lat
the table
Width: auto;
Columns
Array
Column configuration object
Undefined
Datas
Array
Data
Undefined
Column attributes:
Attribute name
Attribute Value Type
Description
Default Value
Title
String
Column Title
None
Field
String
Column field ("ck": checkbox column, "op": Custom column)
None
Align
String
Horizontal position ("center", "left", "right ")
None
Style
String
To get the selected element, you can only use getcheckedGetSelected cannot make multiple selections, only single-selection/* getselected Gets the selected data, otherwise null */ var user=$ ("#first"). DataGrid ("getselected"); /* getchecked Get Chcekbox Select row data, */ var data= $ ("#user_tree"). Tree ("getchecked");GetChecked used in multiple tree selectionGetSelected: Gets the first selected row data, then returns the selec
In the jquery Easyui, the usual way to display data in a table is to specify the data URL in the page load, as follows:
URL: ' Datagrid_data.json', Fitcolumns:true,singleselect:true ' >
After clicking the query
How to encode it. Consult the literature after the practice is as follows:
Id= "Swicth-style"/>data-options= "title: ' Query conditions ', iconcls: ' Icon-save ',Collapsible:true,minimizable:true,maximizable:true,closable:true ">Role nameon
When using Easyui, it is necessary to first introduce four packages, which are not duplicated here.
The DataGrid to use Easyui must first introduce class in [HTML] view plain copy
Second, the Easyui DataGrid reads the data type in JSON format. And I do not write the background of the Controll code, so, it is necessary to write a JSON-formatted data file. Then use the URL: ' Xx/xx/data.json ' to introduce
Recently, I encountered a problem about how to set the second column Click Event of the DataGrid. I tried many methods and couldn't find the result. I went online and found it.I suddenly thought of a solution. For your reference.
Below exampleCode(Set the third column Click Event ):
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->
/*
Logic:First obtain the rowFind the third cell in each row of
Title, Easyui the DataGrid request that the page, will take a long time, during this period, click on another page, or will wait for the request of the PHP script to complete, to enter the new page, now I need that URL to return results, because normally, need to display, But I also need to click on other pages to terminate the script ...
What should I do to help you, great God?
Reply to discussion (solution)
Did you use the session?
Did yo
Example:
In the DataGrid, see the official documentation:
Formatter
Function
The cell formatter function, take three parameter:Value: The field value.Rowdata: the row record data.Rowindex: the row index.
Undefined
Example:
{Field: 'id', Title: 'id', width: 100, align: 'center', formatter: function (value, row, index ){Return '}}
In treegrid, this attribute is inherited, but some changes are not described in
GetSelected: Gets the first selected row data, or returns null if no row is selected, otherwise returns the record.
Getselections: Gets all the selected row data and returns the array data for the element record.
GetChecked: Gets the data from the CheckBox selection row, returning the array data for the element record.
GetSelected and Getselections are selected rows, and getchecked is the selection row.
The selected line means that we click to a row, generally this time the default style wil
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