Line 48: Line 49: vars = pkg.Variables; Line 50: vars["A_Variable"].Value = "SomeValue"; Line 51: Line 52: pkgResults = pkg.Execute(null, vars, null, null, null);here's my code protected void Btntech_Click(object sender, EventArgs e) { string pkgLocation = @"C:\Users\abhishek\Documents\Visual Studio 2008\Projects\Camp\Camp\Package.dtsx"; Package pkg; Application app; DTSExecResult pkgResults; Variables vars; app = new Application(); pkg = app.LoadPackage(pkgLocation, null); vars = pkg.Variables; vars["A_Variable"].Value = "SomeValue"; pkgResults = pkg.Execute(null, vars, null, null, null); if (pkgResults == DTSExecResult.Success) Console.WriteLine("File Uploaded Successfully!"); else Console.WriteLine("Failed, Try Again!"); }