ASP.NET Web Controls

ASP.NET Web Controls
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Written by Sagar RabidasJanuary 23, 2022
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ASP .Net
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Sagar Rabidas

Software Developer

Lets we will start discussions on ASP.NET Web Controls.

ASP.NET Web Controls

The ASP.NET page framework includes several built-in controls that are designed to provide a more structured programming model for the web. These controls provide many features like automatic state management, a common approach to build the user interfaces for the web pages, simple access to object values without having to use request object, the output is automatically customized based on the capabilities of the browser, ability to react to events in server-side code to create applications that are better structured. These controls are objects placed in the ASP.NET pages that are processed by the ASP.NET runtime.

Different ASP.NET Web Controls

ASP.NET web controls are used to display the data on a web page.

Given below are the controls one by one:

GridView Control

Gridview controls are used to show a couple of data on a website. It additionally allows you to feature, update and delete a report within the database without writing an unmarried line of code. In grid view control x each column represents a discipline while every row represents the facts. To use grid view manipulation Datasource manage must be attached to the grid view manage. The property data source of the grid view manage binds the grid view control to the data source control and allows paging, sorting, and database operations with the data source. Identity, data source identity, data key names, allow sorting, allow paging, page size, autogenerate columns, auto-generate edit button, back color, border color, border width, caption, width, visible, selected index, and run at are a few residences of the grid view manipulate.

DetailsView Control

The DetailsView control is used to create an HTML table that displays the content of a single database record. There are three types of mode of DetailsView control namely Edit, Read, and ReadOnly. Edit mode allows the user to update the values of the record. Insert mode allows the user to add a new record to the data source and ReadOnly mode is used for display mode.

Attributes of DetailsView control are as follows:

  • ID: It is used to specify the control identifier.
  • Run at: It must be an equal server.
  • DataSourceID: It is the ID OF data source to bind the DetailsView control.
  • default mode: It is used to set the initial mode of control such as Edit, Insert, and ReadOnly.
  • DataKeyNames: It is a list of the column names that are the primary key for the data source.
  • AllowPaging: It creates paging numbers when it is equal to true.

Databinding, DataBound, ItemCommand, ItemCreated, ItemDeleted, ItemInserting, ItemUpdating, ItemUpdated, ModeChanging, ModeChanged, PageIndexChanging, PageIndexChanged are some events that are generated by DetailsView control.

FormView Control

FormView control is used to display a single record from the database. It is similar to the DetailsView control, except it displays user-defined templates instead of row fields. You can create your template. It gives greater flexibility in controlling how the data is displayed. It is binding data source controls such as SqlDataSource and ObjectDataSource.

It has built-in inserting capabilities, updating and deleting capabilities, and paging capabilities. You can customize it through templates, themes, and style. EditItem template controls the FormView control in edit mode. It includes textbox does each editable column in the data source. The textbox, text property uses a binding expression that binds the data source field data to the textbox. InsertItem template comptroller the FormView control in the insert mode. It is similar to the EditItem template.

ListView Control

The listview control is a completely flexible web control that gentle its contents primarily based on the template you outline. Unlike the repeater control, listview provides higher-degree functions inclusive of selection and enhancing, which fits inside the same way in the grid view manipulate. Listview control can update all different facts binding controls in asp.net. It makes data binding easier. It has blanketed styling with CSS, flexible paging, inserting, deleting, sorting, and updating capabilities.

The most common purpose for the usage of listview manage is to create an unusual format. Listview manage consists of buttons just like the cancel button which cancels edit or insert operation, a chosen button which sets selected index belongings to the display index property value for the object, delete button which deletes the cutting-edge report from the information supply, edit button places the listview control in edit mode, replace button updates the current report inside the facts supply with the certain values and insert button inserts the sure values into the records supply.

DataPager Control

Listview control does now not aid paging without delay, so the data pager control serves as an outside control to offer paging functions to listview manage. The gain of separate manipulation is that it gives greater flexibility about what the pager looks like and in which the bit may be placed on the web page. Data pager manipulation may be connected with the facts-bound manipulation using the paged control id belongings. The numbers of items that can be displayed for every web page of statistics may be modified with the aid of changing the page size assets. Pagedcontrolid, page size, maximum row, start row index, and total row count are the properties of data pager manage.

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ASPNET Web Controls
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