LAYERS asp.net ppt
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This document summarizes validation rules in Microsoft Access. It describes several types of validators including compare, custom, range, regular expression, required field, and validation summary validators. Each validator type is explained, listing relevant properties and functions. Examples are provided for compare, range, regular expression, required field, and validation summary validators. The document also lists 10 common controls in ASP.NET including labels, text boxes, check boxes, drop down lists, radio buttons, images, image buttons, list boxes, multiview, and hyperlinks.
LAYERS asp.net ppt
- 1. PRESNTED BY: BRIJESH TIWARI BCA 6 SEM
- 2. INTRODUCTION TO VALIDATION A Validation rule is a procedure that limits or control user can enter in a table , field or control (like a text box) on a form. Microsoft office access 2007 provides a number of ways to validate data, and your often use several of those techniques to define particular desired validation rules.
- 3. TYPES OF VALIDATOR COMPARE VALIDATOR CUSTOM VALIDATOR RANGE VALIDATOR REGULAR EXPRESSION VALIDATOR REQUIRED FIELD VALIDATOR VALIDATOR SUMMARY
- 4. COMPARE VALIDATOR The validator is used to compare the value entered by a user . PROPERTY- * Control to input contain to validate.
- 5. CUSTOM VALIDATOR The custom validator control is used to customize an implement data validation. The data in a way that is not possible directly with the help of existing validation control. If you want to find out weather a number is even or odd. PUBLIC PROPERTY : VALIDATE EMPTY- Often sets a Boolean value . Indicated weather empty text should be validated. CLIENT VALUATION FUNCTION- Obtains of set the name of custom client and existing used for validation control.
- 6. RANGE VALIDATOR The range validator controls to checks weather or not the value of input control inside a specify range of values. These are three types of properties- • CONTROL TO VALIDATE – * Contains the input control to validate. • MINIMUM VALUE – * Holds the minimum value of valid range. • MAXIMUM VALUE – * Holds the maximum value of valid range.
- 7. REGULAR EXPRESSION VALIDATOR Regular expressions are used to check weather or not the text match a certain matters. The regular expression validate control validate weather the value in the input control (text box) matches the format specified by the regular expression, as a date format and enter the E-mail address.
- 8. REQUIRED FIELD VALIDATOR Required field validator control in ASP.NET is a simple validator . Which checks to see if the data is entered for the attach control. You can set the error message property which you want to display. The another property is control to validate in which you can set the attached control instance.
- 9. VALIDATOR SUMMARY The validation summary control error message as displayed it collectly in the screen. PUBLIC PROPERTIES : DISPLAY MODE- * Set the display mode of a the validation control. • SHOW MESSAGE BOX- * Set of value showing weather is displayed in the message box. • SHOW SUMMARY- * Set of value showing weather the validation summary displayed.
- 10. TIMER The timer (tick) is a group of numbers. Once the numbers are correctly entered and the “execute” button pressed , the timer reset to 108.00.
- 11. ANY 10 CONTROLS LABEL TEXT BOX CHECK BOX DROP DOWN LIST RADIO BUTTON IMAGE IMAGE BUTTON LIST BOX MULTI VIEW HYPERLINK
- 12. LABEL Labels usually are use to displaying text that can not be edited by the user.
- 13. TEXT BOX Windows forms are text boxes are use to get input from the user to display. The text box control is generally user for editable it make read only text boxes can display multiple line.
- 14. CHECK BOX Check boxes are used when you want to selected one - and just one-option from a set of alternative.
- 15. DROP DOWN LIST A user interface control graphical user interface element similar to a list box which allows the user to choose one value from a list.
- 16. RADIO BUTTON Radio button means including related links. Radio buttons are commonly used when only one option is selectable.
- 17. IMAGE An image that is produced by a camera , artist , mirror etc. An image is an artifact that record s visual perception.
- 18. IMAGE BUTTON Image button control that display an image. This control is specify used full. When you want to display an image that response to various action.
- 19. LIST BOX The list box control is used to create a single - or multi – selection drop down list. Each selectable item in a list box control is defined by a list item element.
- 20. MULTIVIEW Multi view control help us to create different views in the same page and display the view as user clicks the links.
- 21. HYPERLINK The clickable links in text or graphics on a web page that takes you to another page , or whole other sites.
- 22. THANK YOU