Installing Windows application to a client's computer

Question

I've created a stand alone windows application using Visual Studio 2008 & MS SQL Server 2005.After installing it to a client's computer,It's reports(implemented using crystal reports) a are not working,a runtime error comes.I installed crystal reports runtime also,but still it doesn't work.What I need to do?What are the things I need to install except .net framework & SQL server?Pls help...

Answer 1

DateTime t1 = Convert.ToDateTime(textBox1.Text); 
DateTime t2 = Convert.ToDateTime(textBox2.Text); 
TimeSpan ts = t1.Subtract(t2);

Answer 2

 TimeSpan duration = new TimeSpan(endtime.Ticks - startTime.Ticks);

Answer 3

string startTime = "7:00 AM"; 
string endTime = "2:00 PM";  
TimeSpan duration = DateTime.Parse(endTime).Subtract(DateTime.Parse(startTime));