Pagination | controls | display
asp.net provides three powerful list controls: The DataGrid, DataList, and Repeater controls, but only the DataGrid controls provide paging functionality. Relative datagrid,datalist and repeater controls have a higher style customization, so many times we prefer to use DataList or Repeater controls to display data.
There are severa
Repeater
The Repeater (foreach) is used to traverse and display the data in the bound data source in the format. The format of each data entry is determined by the Repeater's
Because Eval displays the attribute to the specified position, it can also display the
Do not write Text = "
It can also be used in server controls
DemoCode and notesRepeater. aspxCopy codeThe Code is as follows:SelectMethod = "get
Use of repeater controls
The Repeater control is a data display control that allows you to customize the layout by repeatedly using the specified template for each item displayed in the list.
To display data, you must first create a template to bind the data list. The module definition is as follows (see SDK ):
1. template descriptionHeadertemplateThe element that is rendered once before all data bound ro
functional requirements, the general control has the following functions: dynamic binding, a project consists of a check box and a text box.
Finally, we decided to use repeater for expansion. Repeater binding should be efficient and clean. Then there is the option problem.
Define a new repeater template. The above effect is displayed when
First, the use of repeater control process and examples:
1, first set up a Web site, a new Web page index.aspx.
2, add or create App_Data data files, and then put the used database files into the App_Data folder.
3. Open Database Enterprise Manager, the database server is local (.), and then attach the database in the App_Data folder to the database server.
4, add Ling to SQL class.
5, open the view, Server Explorer, right-click the database serv
Griview Advantages: The most powerful, providing pagination, editing, deletion, selection, and many other functions, the most convenient use, drag and drop directly to the page, set up a new data source, a few mouse can maintain a table of browsing, deletion and modification, but also pagination oh. (Increase I haven't figured out how to click a few mouse to achieve, if you know please tell me.) )。 And because the template has been customized, want to own flexible control, not too easy.
Disadva
Control about the use of repeater controls
The Repeater control is a data display control that allows you to customize the layout by repeatedly using the specified template for each item displayed in the list.
To display data, you must first create a template to bind the list of data, which is defined below (see also SDK):
Template
Description
AlternatingItemTemplate
Similar to the ItemTemplat
ASP. NET Web Forms-Repeater control, formsrepeater
ASP. NET Web Forms-Repeater control.
The Repeater control is used to display the duplicate list of projects bound to the control.
Bind DataSet to Repeater control
The Repeater control is used to display the duplicate list o
The Repeater control is a data display control that allows you to customize the layout by repeatedly using the specified template for each item displayed in the list.Compared with GridViews and DataList, Repeater is a lightweight and flexible control that consumes much less energy than GridViews and DataList. What is lacking in the US is that the functions are slightly thin, especially when the bound data s
Performance
Repeater is better than datalist. If it is not a large amount of data, this difference cannot be reflected.
Ease of use
The data binding between repeater and datalist is simple. datasource =... databind () is OK.
However, datalist is more convenient for layout operations. For example, it provides selectitemtemplate and eidtitemtemplate, but does not have
First, the use of repeater control procedures and examples:1, first set up a website, create a new Web page index.aspx.2. Add or create a App_Data data file, and then place the database file used in the App_Data folder.3. Open Database Enterprise Manager, the database server is local (.), and then attach the database in the App_Data folder to the database server.4. Add Ling to SQL class.5. Open the view, Server Explorer, right-click the database serve
. NET is a very popular programming language at the moment, and in the many knowledge points of. NET training, the 5 methods of adding serial numbers to the Repeater control are very important. The following is the the teacher to introduce you to this aspect of the content.
Repeater is a data control that we often use to display datasets, and often we want to display the number of data before the data, so
Create | controls in Web applications, how can you make applications efficient? How to attract users? This is really a great study, the content of the page, color collocation and so on are very important. However, it is important to show how the data is presented in most cases. Because of the growing size of Web applications, and more and more data, sometimes, because of a page at the same time too much data, resulting in the page is not beautiful, users will also be tired and difficult to opera
Learning content:Create an event handler for itemcommand eventCodeAssociated with clicking a button. Datalist and repeater can contain many buttons, linkbuttons, and imagebuttons in templates. When these buttons are hit, they will cause PostBack and trigger the itemcommand event. Create an event handler for the itemcommand event to associate the server code with the click button.In this event handler, first check the input commandname value to det
There is a menu tree, because the interface restrictions (requirements) cannot use existing controls.
Then I thought of using the Repeater control to write it myself, so that the page can be controlled flexibly and conveniently.
ASP: Repeater
ID
= "Categorylist"
Runat
= "Server"
Onitemdatabound
= "Categorylist_itemdatabound"
>
Headertemplate
>
Div
Style
= "Width:
data by Supplier and returns to the first page. The choice of sorting when data is paginated is recorded. Figure 11 is sorted by category and browses to page 13th.
figure 10:products Sorted by category
Figure 11: The sort Expression are noted when paging
Step Sixth: custom pagination for repeater
The DataList example in step fifth uses the default paging technology. When it comes to large amounts of data, we need to use custom paging. Back to eff
In this demo, we implement the functionality of this Repeater control data export Excel.we prepare an object :
Copy Code code as follows:
Imports Microsoft.VisualBasic
Namespace insus.net
Public Class Catalog
Private _id as Integer
Private _name as String
Public Property ID as Integer
Get
return _id
End Get
Set (value as Integer)
_id = value
End Set
End Property
Public Property Name as String
Get
return _na
The Repeater control is a data display control that allows you to customize the layout by repeatedly using the specified template for each item displayed in the list.
Compared to GridViews and DataList, Repeater is a lightweight, flexible control that consumes a lot less energy than they do. The drawback is that the function is slightly thin, especially for the binding data source without data, often to us
Questions about multiple nested repeater controlsMulti-dataset nesting allows you to directly query multiple datasets of controls with the same name by using the control ID.However, the data set is fixed. If there are exceptions, you cannot access this method.
[Bindable]Public var temparray: array = [1, 2, 3]Public Function btn_click (): void{// Trace (BTN [2] [2] [2]);Trace (BTN );}]>
Result, Repeater0.bt
Summary of ASP. NET ----- Repeater data control usage,
I. usage process and example of the Repeater control:
1. Create a website and create a webpage index. aspx.
2. Add or create an APP_Data data file and put the database files used in the APP_Data folder.
3. Open the Database Enterprise Manager, the database server is local (.), and then attach the database in the APP_Data folder to the database server.
4
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