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Computer language - Html forms
- 1. HTML – Forms By Dr. I. Uma Maheswari iuma_maheswari@yahoo.co.in
- 2. Forms • When a set of information or data is to be received, it is appreciated if the same could be received into a form. • A form can contain text boxes, check boxes, radio buttons, etc. • Form tag - <form> …..</form>
- 3. Attributes of form tag Form tag uses two attributes 1. Method • Used to set the method through which the form’s data is sent to the server for processing. • There are two values under method attribute. • They are ‘post’ and ‘get’. 2. Action • A pointer to the script processing the form on the server
- 4. <INPUT> tag • Used to define the actual form element from among the elements. It does not contain a end tag. Attributes of input tag 1. Type – identifies the element to be included in the form. 2. Name – specifies the name of the element to be included in the form.
- 5. Elements of input tag 1. Text – will accept the text of a defined size into a text box. 2. Check – display a check box and in case of multiple check boxes it allows selecting more than one. 3. Radio – display a radio button and unlike check box, it will allow selecting any one of the options only. 4. Button – display a command button which can be designed for two purposes, one for sending the data and the other for clearing the elements from such as “submit” and “clear” respectively.
- 6. 5. Option – allow the user to insert a set of names into a list box. The tag being <option> …….</option>, which in turn appears within the <select> ….. </select> tag. 6. Text area – used to have a text box ranging from a set of “rows” and “cols” for a multi line text area. 7. Password – used to mask the characters keyed into the text box with a character usually asterisks (*)
- 7. Example for elements HTML> <HEAD> <TITLE> form </TITLE> </HEAD> <body> <form action = “form.html” method = “post”> <h1>computers in education</h1> <font face = “times new roman” size = “3”> Name:<input type = “text” name = “Name” size = “20”> sex: <input type = “Radio” name = “Sex” value = “male”> male <input type = “Radio” name = “Sex” value = “female”> female Courses opted for: <select name = “courses opted”> <option> ms office </option> <option> visual basic </option> <option> java </option> <input type = “submit” value = “submit”> <input type = “reset” value = “clear”> </center> </form> </body> </HTML>