Error Running SSIS Pkg From Dtexec Utility

Hi All,

I developed my package in BI studio and tested runnning it through BI. Now when i have to deploy the package to main server it will be executed via batch job. This package requires an input file name too.
Now when i am trying to run the package on my loacal box using following command on command prormpt i get error given below.

COMMAND USED BY ME: DTExec /FILE 'C:ProjectIntegrationServicesSFRIntegrationServicesinpkgSFRLocation.dtsx' /SET Package.Variables[InputParamFileName].Value;'C:DataDumpInputLOC00022'

ERROR MESSAGE:
Microsoft (R) SQL Server Execute Package Utility
Version 9.00.1399.06 for 32-bit
Copyright (C) Microsoft Corp 1984-2005. All rights reserved.

Started: 1:29:54 PM
Error: 2008-02-22 13:29:54.96
Code: 0xC0011007
Source: {9B1FAA88-A6FA-44CF-A2E2-DB3F737FDA65}
Description: Unable to load the package as XML because of package does not ha
ve a valid XML format. A specific XML parser error will be posted.
End Error
Error: 2008-02-22 13:29:54.96
Code: 0xC0011002
Source: {9B1FAA88-A6FA-44CF-A2E2-DB3F737FDA65}
Description: Failed to open package file "'C:ProjectIntegrationServicesSFR
IntegrationServicesinpkgSFRLocation.dtsx'" due to error 0x800700A1 "The speci
fied path is invalid.". This happens when loading a package and the file cannot
be opened or loaded correctly into the XML document. This can be the result of
either providing an incorrect file name was specified when calling LoadPackage o
r the XML file was specified and has an incorrect format.
End Error
Could not load package "'C:ProjectIntegrationServicesSFRIntegrationServices
inpkgSFRLocation.dtsx'" because of error 0xC0011002.
Description: Failed to open package file "'C:ProjectIntegrationServicesSFRInt
egrationServicesinpkgSFRLocation.dtsx'" due to error 0x800700A1 "The specifie
d path is invalid.". This happens when loading a package and the file cannot be
opened or loaded correctly into the XML document. This can be the result of eit
her providing an incorrect file name was specified when calling LoadPackage or t
he XML file was specified and has an incorrect format.
Source: {9B1FAA88-A6FA-44CF-A2E2-DB3F737FDA65}
Started: 1:29:54 PM
Finished: 1:29:54 PM
Elapsed: 0.047 seconds

PLease let me know solution to creating batch job for executing this pkg with input param.