如何知道哪一行SSIS无法解析来自平面文件的数据

I have a flat file from which I am importing the data to a DB using SSIS. When the SSIS is failing it is just reporting that a particular column has failed importing. But to be more precise I want to know at which line in the flat file the error has occurred so that I can know where to search in the flat file.I have a flat file from which I am importing th