Validating user input with c

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You should use two methods where each validates one type only.

The Range Validator control ensures the value inside a control is within a specified range.As we mentioned earlier, validation controls execute when the user clicks a Button control, including HTML button controls and server button controls such as the Link Button and Image Button.All of the validation controls must have the Control To Validate property set before rendering the page or the control throws an exception.The associated control is set by right clicking on the validator and selecting Properties from the context menu. The rest of the validation controls provided by ASP.In the Properties dialog box find the Control To Validate property and select First Name Text Box from the drop down list. We can set other properties, such as the Error Message property, and the final ASPX source code should look like the following. NET work in a similar fashion to what we've seen above. If the client's web browser is of executing client side Java Script, the first validation pass occurs on the client.

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