What types of data can be stored in ViewState?
Data objects that can be stored in view state
- String.
- Boolean value.
- Array object.
- Array list object.
- Picadillo table.
- Custom type converters.
Table of Contents
What is stored in ViewState?
Viewstate is used to store the state of server-side controls between postbacks from the web page. It stores the data within the same page (in encrypted format), while the state of the session is stored on the server. The information is stored in hidden HTML fields.
Can we store DataTable in ViewState?
It is only kept while the user is submitting the form. If the user clicks a hyperlink to another page, the form is not submitted and therefore the data contained in the ViewState is lost. Using ViewState is recommended if the data is relatively small.
Is it possible to create a web application with web forms and MVC?
The question arises how to combine both technologies in one application: is it possible to combine ASP.NET Webforms and ASP.NET MVC in a web application? Fortunately, the answer is yes. It is possible to combine ASP.NET Webforms and ASP.NET MVC in one application; in fact, it’s quite easy.
How is DataTable stored in VIEWSTATE?
The DataTable object instance stored in the ViewState is the same object instance that you use when adding rows. So whatever you do with it will be seen when you get it back the next time. You can use the Clone method on your original data table stored in the ViewState and add rows to this clone.
How is display state data stored in ASP.NET?
To enable the same you need to use the same property, just set it to “True”. View State Data is stored in the form of Base 64 encoding, but it is not more secure, anyone can easily break it. So, there are the following 2 options. Generally, the largest MAC key is used to generate a hash key.
How to retrieve data from a DataReader in C#?
To retrieve data using a DataReader, create an instance of the Command object and then create a DataReader by calling Command.ExecuteReader to retrieve rows from a data source. The DataReader provides a bufferless stream of data that enables procedural logic to efficiently process the results of a data source sequentially.
How does view state work in SQL Server?
Preserves the value of the Control after postback without using a session. Stores the value of the pages and control properties defined on the page. Creates a custom view state provider that allows you to store view state information in a SQL Server database or other data store.