In an ssis package consists of data flow task,contains OLEDB source and OLDB Target ..provider is sql native client..This used to run fine ..but now got an error as shown bel
Solution for this issue is:
Create another connection manager for your excel or flat files else you just have to pass variable values in connection string:
Right Click on Connection Manager
>>properties
>>Expression
>>Select "ConnectionString"
from drop down and pass the input variable like path , filename ..