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.
The value is a whole number of KB in decimal, for example 30720 = 30MB or 25000 = 25MB. Set 0 (zero) for unlimited size. In this example, weâve set the limit for Gmail which has an outgoing message limit of 25MB. Thatâs a limit on the entire message size while the Outlook setting is a limit on the attachment size only. You have to allow for the size of message body and header. 25MB = 25000 so weâve set the Outlook limit to 24000 which leaves 1000 (about a megabyte) for the body and header.