Database are useful to store and retrieve data in a structured way.Database can be access at run time in your site, which means you are no longer limited to just the relatively static files you create at design time in Visual Studio. You can use a database to access the data from ASPX pages.ADO.NET is …
What is a Database? A database is a collection of data that is arranged so that it can be accessed, managed, and updated easily. The most popular type of database is the relational database. It is the type of database that is frequently used in websites. A relational database has the concept of tables, where data is stored in rows and columns, much like a …
Different Data Source Controls In ASP.NET has seven built-in Data Source control, each used for a specific type of Data Access. SqlData Source: – It provides access to any data source that has an ADO.NET Data provider available, by default, the control has access to the ODBC, OLE DB, SQL Server, Oracle, and SQL Server Compact providers. LinqDataSource: – It provides access to different …
Retrieving and Manipulating Data With SQL . When interacting with databases, you will use four distinct types of operations Create, Read, Update, and Delete. Reading Data To read data from a database:- First, you need to indicate the columns from the table that you want to retrieve for a query. You will do that with the SELECT statement. …
Displaying and Updating Data Here you will learn how to display, insert, update, and delete data using the popular data controls that you can use with ASP.NET. Besides working with the visual controls that are used to display and edit data in a web page, you will also learn how to work with the SqlDataSource control that acts as the bridge between …
The RangeValidator control makes sure that the user value or selection provided is within a specified range as opposed to being just greater than or less than a specified constant. You can set the range using the MaximumValue and MinimumValue properties. The RangeValidator control also makes sure that what is entered and what kind of …
The Compare Validator control allow you to compare two form elements as well as to compare values contained within form elements to a constant value that you specify. One of the most common ways of using the CompareValidator control is to make a comparison between two form elements. In our Example, We are comparing two …
The RegularExpression Validator control offers a lot of flexibility when you apply validation rules to your Web Forms. You can check a user’s input based on a pattern that you define using a regular expression. This means that you can define a structure that a user’s input will be applied against to see whether its …
The GridView is a powerful data Grid control that allows you to display an entire collection of data, add sorting and paging, and perform inline editing. Drag GridView Control from the Toolbox onto the design view of an ASP.NET Web Page, which has been used with SqlData Source Control. Here is a Simple Use of GridView Control To display …
The DetailsView Control is a Data-Bound Control that allows you to work with a single data record at a time. It includes features such as paging, updating, inserting and deleting data. Drag DetailsView Control from the Toolbox onto the design view of an ASP.NET Web Page, which has been used with SqlData Source Control. Here is a Simple Use of DetailsView Control …
The ListView control bridges the gap between the highly structured GridView control, and the anything goes, unstructured controls like DataList and Repeater. Drag DetailsView Control from the Toolbox onto the design view of an ASP.NET Web Page, which has been used with SqlData Source Control. Here is a Simple Use of ListView Control To display …