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.
If you contribute more than your contribution limit, you will pay a penalty of 1% per month on the excess amount. The annual TFSA contribution limit from 2009 to 2012 was $5,000 and $5,500 for 2013 and 2014.The TFSA contribution limit for 2015 is $10000.ou can carry forward any uncontributed amounts into future years indefinitely. So, for example, if you contributed only $2,000 in 2014, in 2015 you could contribute up to $13,500 (the $10,000 limit for 2015, plus the $3,500 you had left over from 2014).