C textbox1 validating

Posted by / 25-Jan-2017 11:11

C textbox1 validating

If the data is incorrect or not valid, you can send back a response stating this.

If, however, when the user clicks the Submit button, a scripting language that is part of the overall HTML page is initiated to check the validity of the data before it is sent to the server, this is client-side validation.

Add controls as shown in the figure below and set the properties of the controls as indicated in the table. The control is added to the form and displayed in the control tray in the Windows form in Design view. Now we will add the validations for the Date Time Picker controls which collects the Test Date information.

These forms are made up of different types of HTML elements that are constructed using straight HTML, HTML server controls, or Web server controls.

A variety of HTML elements, such as text boxes, check boxes, radio buttons, drop-down lists and more, can be used in forms. NET applications are collecting information from a user, you want to ensure that the data that you collect is valid.

You need to set the Data Source, Data Member and Container Control properties of the Error Provider control to set the error for a databound control.

To display the dataset column error, invoke the Set Column Error method of the Error Provider.

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Validating, in this case, does not mean that if John Doe types his name into the form field of a text box as Fred Doe the computer sends an alert to inform you that the data is untruthful.

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