What is use of page IsValid method?

What is use of page IsValid method?

Remarks. Use the IsValid property to determine whether the associated input control passes validation. Because the default value of this property is true , it will return true if you query this property before validation is performed.

What are the validation controls?

Validation controls are used to,

• Implement presentation logic.
• To validate user input data.
• Data format, data type and data range is used for validation.

What are the validation controls explain the use of validation controls?

ASP.NET validation controls validate the user input data to ensure that useless, unauthenticated, or contradictory data don’t get stored. ASP.NET provides the following validation controls: RequiredFieldValidator. RangeValidator.

Which validation control in ASP.NET can be used to determine?

6 Which validation control in ASP.NET can be used to determine if data that is entered into a TextBox control is of type Currency? D) None of the above. Explanation: You can use the CompareValidator control to do a data type check.

Is valid in C#?

How to check if a string is a valid keyword in C#? To check if a string is a valid keyword, use the IsValidIdentifier method. The IsValidIdentifier method checks whether the entered value is an identifier or not. If it’s not an identifier, then it’s a keyword in C#.

What is IsValid Java?

IsValid (Session – Java™) Read-only. Indicates whether an instantiated Session object is still valid.

How many types of validation are there?

four types
The guidelines on general principles of process validation mentions four types of validation: A) Prospective validation (or premarket validation) B) Retrospective validation. C) Concurrent validation.

What is validation control how many types of validation control?

RequirefFieldValidator is used when the specific filed is required, RangeValidator is used when specific value needs to be within the specified range, CompareValidator is used to compare the value of one control with fixed value of another control, RegularExpressionValidator validate the input value with the pattern of …

Which of the following validation control collect all the validation control error message and display it collectively on the screen?

The Button control and validation control has a property called Validation Group in which we specify the group name. This control is mostly less used.It is used to collect all the validation control error messages and display it collectively on the screen.

Which of the following is NOT ASP.NET page directive?

Discussion Forum