New Post: DataValidation Property is Not Getting Exposed with Range()

   I want to Validate a Range of Data in Excel, i am having one Column whose length i want to get fixed , according to the Example given Documentation we can apply DataValidation on Range Function , but in my Code i am not able to find DataValidation property in Case  of Range Method. Please Help me with this or tell me how to implement DataValidation on Entire Column rather than a single cell.