Save My Exported File to specific location in c# for desktop

Dear all friends,

 

I am developing one application, in which i want to export some table data and save it to some location and where from it transfer to ftp location on specified time interval... 

 

So, how to save file without save as dialog (For Desktop Appl. C#) 

 

So, any one can suggest me to how handle this type of task...