Jump to Post
we can achieve your functionality by using isNaN(value_of_your text feild) function of java script
the following URL gives better idea on your requirement and how to use the isNaN() function for your script code
let me know if you have any doubts in my clarification
All 3 Replies
Be a part of the DaniWeb community
We're a friendly, industry-focused community of 1.20 million developers, IT pros, digital marketers, and technology enthusiasts learning and sharing knowledge.