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.
You need to check the Is Valid property to know if a validation check failed.
Validation is complete by the time you reach a click event.
The Minimum Value and Maximum Value properties control the allowed range of the input. This property can take one of the following values: String, Integer, Double, Date, or Currency.