How to display number of rows imported in the SSIS Send Mail Task

In SSIS, I want to send a 开发者_如何学运维mail stating the number of rows imported by a "Data Flow Task".

How can I get the number of rows imported in the "Send Mail Task"?

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This Microsoft KB article covers what you're after in the enclosed example, using a variable and a row count transform, together with an expression for the mail subject (body would be similarly do-able).