a .net data provider is a collection of objects used to communicate between a data source and a data set in other words a data provider is used to communicate with a data source i e database execute commands against the data source and then retrieve results from the data source
By default, the work item file attachment size limit is 2,048 kilobytes (2 MB). For information on how to change the attachment size limit, see How to: Set the Maximum Attachment Size for Work Items. Consider the implications carefully before changing the default attachment size limit. Changing the attachment limit value will alter the attachment size limit for all Team Foundation Server users.
Bluehost servers have a 35 MB attachment limit for the outgoing emails sent via SMTP and webmail. However, it is recommended that your total attachment size not exceed 35 Megabytes.The reason being that there are a number of factors that can determine how large of a file attachment you may send. Any limits the recipient's server. ( 2 for example, Gmail, Yahoo! & Outlook.com all have a 25 MB limit). 3  How much free space is in the recipient's e-mail account, if their mailbox has a size limit.