Net validating checkbox

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I am a software developer, working with various software languages and environments.In this blog I will describe problems that I encountered during software development, and how I solved them, hoping to help all other developers encountering the same or similar problems. NET provides the validation controls that enables checking if the input is valid before starting to process in on the server and thus save time for the user. However when I tried to user a required field validator for a Checkbox List control, to make sure that the user selected at least one item, I got an exception, saying that the control to validate is invalid.As a example you may need to select preferred subjects of a student(Maths, Science, English etc.).

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Una vez más, por favor mantenga su identidad en secreto Haga clic en el botón "Continuar" para buscar con su código postal.allows the user to select more than one item from the group.In some cases you may want to use multiple check boxes to make some selections.One last problem I had when developing this solution: When I only had the server-side validation method, things didn't work well, I could not see the error message and the operation wasn't stopped. After I added the javascript client-side validation function, everything worked just fine.

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