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C# Code for a calculation

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helpcsharpsaleslearning
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  • C Offline
    C Offline
    Cali1999
    wrote on last edited by
    #1

    Hi Everyone, I'm learning C# and am stuck on writing code for a calculation. Here's the parameters: Calculate and display the price. The calculations will require price per hour. My project has the customer name input, item rented input x the # of hours rented = total cost. Pressing the calculate button will perform this function. Any help here would be appreciated. Thanks jeff

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    • C Cali1999

      Hi Everyone, I'm learning C# and am stuck on writing code for a calculation. Here's the parameters: Calculate and display the price. The calculations will require price per hour. My project has the customer name input, item rented input x the # of hours rented = total cost. Pressing the calculate button will perform this function. Any help here would be appreciated. Thanks jeff

      L Offline
      L Offline
      Lost User
      wrote on last edited by
      #2

      Sounds like a homework assignment, so here are only some hints: Create a textbox for the price and a textbox for the # of hours (a NumericUpDown control may be better for the latter, no string-to-number conversion required there). Create a button clicked event handler for the calculate button and do the calculation there. You can convert from the textbox string to decimal/integer via Decimal.TryParse[^] or Int32.TryParse[^] method, respectively. regards

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      • C Cali1999

        Hi Everyone, I'm learning C# and am stuck on writing code for a calculation. Here's the parameters: Calculate and display the price. The calculations will require price per hour. My project has the customer name input, item rented input x the # of hours rented = total cost. Pressing the calculate button will perform this function. Any help here would be appreciated. Thanks jeff

        G Offline
        G Offline
        Guffa
        wrote on last edited by
        #3

        So... the schools have started again... ;) The calculation part of the code is very easy: price = pricePerHour * hours; So, is that really where your problem lies?

        Despite everything, the person most likely to be fooling you next is yourself.

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        • G Guffa

          So... the schools have started again... ;) The calculation part of the code is very easy: price = pricePerHour * hours; So, is that really where your problem lies?

          Despite everything, the person most likely to be fooling you next is yourself.

          L Offline
          L Offline
          Lost User
          wrote on last edited by
          #4

          Guffa wrote:

          So, is that really where your problem lies?

          Nah, I don't think they teach programming in 4th grade. ;)

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          • C Cali1999

            Hi Everyone, I'm learning C# and am stuck on writing code for a calculation. Here's the parameters: Calculate and display the price. The calculations will require price per hour. My project has the customer name input, item rented input x the # of hours rented = total cost. Pressing the calculate button will perform this function. Any help here would be appreciated. Thanks jeff

            C Offline
            C Offline
            Cali1999
            wrote on last edited by
            #5

            P. S. //Calculate the total cost of charter by number of hours X selected yacht x the rate per hour. The above is the calculation I was thing of using. I'm having trouble coding it. Jeff

            C 1 Reply Last reply
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            • L Lost User

              Sounds like a homework assignment, so here are only some hints: Create a textbox for the price and a textbox for the # of hours (a NumericUpDown control may be better for the latter, no string-to-number conversion required there). Create a button clicked event handler for the calculate button and do the calculation there. You can convert from the textbox string to decimal/integer via Decimal.TryParse[^] or Int32.TryParse[^] method, respectively. regards

              P Offline
              P Offline
              Paul Conrad
              wrote on last edited by
              #6

              Greeeg wrote:

              Sounds like a homework assignment

              His post down further in the thread really make me suspicious, it sounds like a problem I use in my class, and the funny thing is, my class doesn't start for a few more weeks.

              "The clue train passed his station without stopping." - John Simmons / outlaw programmer "Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon

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              • P Paul Conrad

                Greeeg wrote:

                Sounds like a homework assignment

                His post down further in the thread really make me suspicious, it sounds like a problem I use in my class, and the funny thing is, my class doesn't start for a few more weeks.

                "The clue train passed his station without stopping." - John Simmons / outlaw programmer "Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon

                D Offline
                D Offline
                Dan Neely
                wrote on last edited by
                #7

                fratboy trying to repair damage to the cheat library before school restarts because a helpful student cleaner tossed them all over the summer? :laugh:

                Today's lesson is brought to you by the word "niggardly". Remember kids, don't attribute to racism what can be explained by Scandinavian language roots. -- Robert Royall

                P 1 Reply Last reply
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                • G Guffa

                  So... the schools have started again... ;) The calculation part of the code is very easy: price = pricePerHour * hours; So, is that really where your problem lies?

                  Despite everything, the person most likely to be fooling you next is yourself.

                  P Offline
                  P Offline
                  Paul Conrad
                  wrote on last edited by
                  #8

                  Guffa wrote:

                  the schools have started again...

                  Maybe. My class doesn't start for a few more weeks, and the OP's problem sounds very similar to one of my homework problems I give out, and this particular won't be assigned until the middle of October. Sorry, no credit given to the OP for two reasons: 1. I don't accept early work, 2. Wrong language, not a C# class ;P

                  "The clue train passed his station without stopping." - John Simmons / outlaw programmer "Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon

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                  • D Dan Neely

                    fratboy trying to repair damage to the cheat library before school restarts because a helpful student cleaner tossed them all over the summer? :laugh:

                    Today's lesson is brought to you by the word "niggardly". Remember kids, don't attribute to racism what can be explained by Scandinavian language roots. -- Robert Royall

                    P Offline
                    P Offline
                    Paul Conrad
                    wrote on last edited by
                    #9

                    Yep. Like I just told Guffa, my very similar problem is usually assigned about mid-October for the Fall term. People may look to the assistance of my former students are going to be in for a rude surprise. After about 2 years of teaching this class, I am doing a complete overhaul of it :-\

                    "The clue train passed his station without stopping." - John Simmons / outlaw programmer "Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon

                    1 Reply Last reply
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                    • C Cali1999

                      P. S. //Calculate the total cost of charter by number of hours X selected yacht x the rate per hour. The above is the calculation I was thing of using. I'm having trouble coding it. Jeff

                      C Offline
                      C Offline
                      carbon_golem
                      wrote on last edited by
                      #10

                      I think Guffa very kindly answered (solved) your coding dilemma. But but here it is stated another way...

                      HAI
                      CAN HAS STDIO?
                      I HAS A rate ITZ NUMBAR
                      I HAS A hours ITZ NUMBAR
                      LOL ducketsOwed R rate TIEMZ hours
                      VISIBLE ducketsOwed
                      KTHXBYE

                      Seriously though, are you having trouble setting up the project or what? I don't get it, your questions is solved, but you restated the question... what more do you need?

                      “It is practically impossible to teach good programming to students that have had a prior exposure to BASIC: as potential programmers they are mentally mutilated beyond hope of regeneration.” -Edsger Dijkstra

                      1 Reply Last reply
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                      • C Cali1999

                        Hi Everyone, I'm learning C# and am stuck on writing code for a calculation. Here's the parameters: Calculate and display the price. The calculations will require price per hour. My project has the customer name input, item rented input x the # of hours rented = total cost. Pressing the calculate button will perform this function. Any help here would be appreciated. Thanks jeff

                        S Offline
                        S Offline
                        shabonaa
                        wrote on last edited by
                        #11

                        *********** U need to Learn Do your homework by yoursellf ********** double total = Convert.ToDouble(TextBox_item_rented.Text) * Convert.ToDouble(TextBox_cost_per_hour.Text); TextBox_total=total.ToString(); MessageBox.Show("Total Cost for customer "+ TextBox_cust_name.Text + "= " + total); *********** U need to Learn Do your homework by yoursellf ********** :sigh: :zzz: :zzz: :zzz:

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