How To calulate time difference in C#.Net

Question

I want 2 calculate difference between 2 time
Textbox1============Textbox2============dtp2-dtp1
07:15PM=========07:15PM=========00:00:00
07:15PM=========11:05PM=========03:50:00
07:15PM=========12:05AM========-19:10:00
08:00PM=========08:00AM========-12:00:00

Santhosh N · Answer

you can use timespan to calculate time diff in c# DateTime dt1=Textbox1.Text; DateTime dt2=Textbox2.Text; TimeSpan t=dt2.Subtract(dt1); string diff = t.Hours.ToString()+:+t.Minutes.ToString() + : + t.Seconds.ToString();

Pravin Ghadge · Answer

Thank u Santhosh for Link

Santhosh N · Answer

Plz check your original post where I replied...

Pravin Ghadge · Answer

User can only enter time between 1 to 24 & in Format HH:MM in Datagridview If user has entered wrong time it should give error message

Santhosh N · Answer

What type of validation you need to do Praveen?

Pravin Ghadge · Answer

Thank u Santhosh Do u know how to do validation of time in Datagridview cell or Textbox?