HTML forms asp.net-forms
What are HTML forms?
HTML Forms are one of the main points of interaction between a user and a web site or application. Forms allow users to enter data, generally sending that data to the web server (but a web page can also use form data client side).
An HTML Form is made of one or more widgets. Those widgets can be single or multi-line text fields, select boxes, buttons, check-boxes, or radio buttons. The single line text field widgets can even require data entered to be of a specific format or value. Form widgets should be paired with a properly implemented label that describes their purpose — labels help instruct both sighted and blind users on what to enter into a form input
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How to send HTML form to the server?
We provide a name to each form control. The names are important both browser and server sides; they tell the browser which name to give each piece of data and, on the server side, they let the server handle each piece of data by name. The form data is sent to the server as name/value pairs.
To name the data in a form you need to use the name attribute on each form widget that will collect a specific piece of data.
Example:
How to receive the HTML form’s input in the server-side?
We will create an ASP.NET application with an MVC controller containing a function for the form submitting. in this function, we will use Request.Form to retrieve all of the data that the user has entered into our HTML form. each input data will be stored in a key-value format in the Request.Form dictionary: the key will be the html widget form input-name and the value will be the data entered by the user
More topics covered:
- input + required
- input type- text, number, password, email
- radio-button, check-box
- button type submit
- form method: GET vs POST
- storing the html form on the server
- choosing result page depend on the form-input
Links:
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