Brief analysis Yii2 GridView implements the bulk deletion tutorial, Yii2gridview
In the circle of friends have children's shoes to me to discuss the problem of the GridView, a friend said you use the GridView to remove my table header link? I think for a long time, with the GridView is really not easy to achieve. Frie
In this chapter, we will introduce the gridview control, the grid view, and you will know the name. The grid is like a net, just like a spider in the Travel Notes of the West, it's a Journey to the West. Never hit me with bricks.
In fact, gridview is similar to listview, but girdview is a multi-column multi-row interface. What? What does a column mean? I'm dizzy. I learned the line axis in junior high schoo
Android learning-GridView, androidgridviewBackground
GridView is frequently used in Android development like ListView. For example, we often use Quick graph browsing, which has the option to change the layout of the image to a grid (that is, a GridView. There is also the X-artifact-Momo's search world also uses the GridView
The gridview has its own data sorting capabilities. In Design view, you can only statically set the sort data columns and sort direction of the GridView. In the background program, you need to dynamically set the two properties of the GridView in attributes mode Examples are as follows: Foreground nbsp; nbsp; code is as follows: ; nbsp; nbsp; Private DataTable
Two ways of handling:
1, template column: Suppose the data table field Completetime type is the time format
2. Bound columns:
DataFormatString Use notes:
stored in the database is the date time, but the page only shows the date, DataList and GridView inside can be formatted with dataformatstring, so that the data in the specified format display.
Example:
If you use BIND () to take a value, the string in
Then there is a problem with the ScrollView height calculation. We can not get the desired effect.
Core solution: Rewrite the Onmesure method of the ListView or GridView.
Copy Code code as follows:
public class Mylistview extends ListView {
Public Mylistview {
Super (context);
}
Public Mylistview (context context, AttributeSet Attrs) {
Super (context, attrs);
}
Public Mylistview (context context, AttributeSet attrs, int defstyle) {
Problem
In Android development, there is a problem, is ListView nested GridView , you need to click the whole ListView Item to jump. However, GridView you cannot jump the page when you click on the area. This is because the GridView focus has been gained. Causes the click to not jump.
The solution is:
1. Add the outermost layer of the item
Android:descend
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
In the Onrowcommand event of the GridView control, you want to get the row number to obtain the primary key ID number of the row data. But there's a asp.net. The DataKeys Count property for the GridView control is a problem with 0, it is very hard to find the reason, the reason is very simple. To solve this problem, you only need to set the datakeynames= "This primary key field name" in the
Points:
1. Note the unified prototype of the control event delegate in. NET (object sender, EventArgs e)
The first parameter, sender, indicates that the event control is triggered
2. The ASP.net server control, which has a unique namespace, is defined as a reference to the naming container of the server control, which is a property namingcontainer. A control in a template column is a template column that contains this control.
Note: You can also use the Bindingcontainer property to get it, but
Cgridview displays data in tabular form, Cgridview also supports paging and sorting, Cgridview the most basic usage and ListView types, and also by setting data provider, usually cactivedataprovider.
Modify the previous example Yii Framework development Tutorial (a) Zii component-detailview example, ListView should be the GridView:
The results appear as follows:
You can see that the GridView default
In this article we will describe the preliminary use of the GridView to present various information.
First we look at the important attributes of the GridView:
SelectionMode: Setting selection mode (none,single,multiple)
Isitemclickenabled: Allow selective click events
ItemsSource: Data source for data items
ItemTemplate: Presentation template for data items
SelectedItem: Selecting the contents of an
Tags: art grid general partial time ext public pwd comThe original Published time: 2008-08-01--from my Baidu article [imported by moving tools]Using System;Using System.Data;Using System.Configuration;Using System.Collections;Using System.Web;Using System.Web.Security;Using System.Web.UI;Using System.Web.UI.WebControls;Using System.Web.UI.WebControls.WebParts;Using System.Web.UI.HtmlControls;Using System.Data.SqlClient;GridView No data source implemen
This article from http://blog.csdn.net/hellogv/The GridView and ListView are often used as multi-control layouts, and the GridView is the first choice for implementing nine charts! This article is about how to use the GridView to implement the nine diagram. The use of the GridView method is very much, the most online i
This article from http://blog.csdn.net/hellogv/The GridView and ListView are often used as multi-control layouts, and the GridView is the first choice for implementing nine charts! This article is about how to use the GridView to implement the nine diagram. The use of the GridView method is very much, the most online i
This paper mainly introduces stack, Indexedstack, GridView control in Flutter layout, introduces its layout behavior and usage scene in detail, and analyzes the source code.
1. Stack
A widgets that positions their children relative to the edges of their box.
1.1 IntroductionStacks can be analogous to absolute in the Web, with absolute layout. Absolute layout is generally used in mobile development less, but in some scenarios, it sti
When using the GridView control, we often encounter the index of the current row, and perform many operations through the index. For example, you can obtain a control element of the current row and set the value of an element. The following describes several methods to obtain the index value of the current row of the GridView.
Instance:① Purpose: to obtain the current index row of RowCommand in the
In fact, there are a lot of examples of Excel on the Internet, but is it very good? Their code is not very full and reading is still very obscure. After several days of exploration, I finally want to export the results of the report excel. Here is my.
I. Foreground page
Content on the first page of the gridview
Content on page 2 of the gridview:
When exporting an Excel file, you may find that the content
In ASP. NET 2.0, many new functions and controls are added. Compared with Asp.net 1.0/1.1, they are greatly improved in various aspects. In terms of data controls, many controls are added, and the gridview control is very powerful. In this article, we will introduce the simple use of the gridview control in ASP. Ne 2.0 step by step.
Friends who have used Asp.net 1.0/1.1 may also feel that the DataGrid cont
Related learning records of Yii2, use of the Gridview widget and kartik-v/yii2-grid extensions (v), yii2gridview
Now the relevant content of the Gridview is recorded. Although the Gridview in Yii2 is good, if some fields in the filter column are not needed, it will not be automatically merged into a row, of course, you can also filter out columns instead of writi
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