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  4. how to set the value to exception object?

how to set the value to exception object?

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  • B babutkchn

    Hi All, Can anyone please tell me hoe to set the value to a custom exception object? If so, pls give a code snippet? thanks in advance Regards babu

    G Offline
    G Offline
    Guffa
    wrote on last edited by
    #2

    What value? You can create an Exception object with any message you like: new ApplicationException("Nu sket det sig rejält, må jag säga.") You can also create specific Exception objects for different kinds of errors. Some examples: new ArgumentNullException("path", "The path argument may not be null.") new NullReferenceException("The operation resulted in a null reference.") new IndexOutOfRangeException("The position has to be in the range 0 to 9.")

    --- It's amazing to see how much work some people will go through just to avoid a little bit of work.

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    • G Guffa

      What value? You can create an Exception object with any message you like: new ApplicationException("Nu sket det sig rejält, må jag säga.") You can also create specific Exception objects for different kinds of errors. Some examples: new ArgumentNullException("path", "The path argument may not be null.") new NullReferenceException("The operation resulted in a null reference.") new IndexOutOfRangeException("The position has to be in the range 0 to 9.")

      --- It's amazing to see how much work some people will go through just to avoid a little bit of work.

      B Offline
      B Offline
      babutkchn
      wrote on last edited by
      #3

      but for this i've to set the value to the property in the class as follows. this.Message = "msg"; or exception.Message="msg"; how to set that??

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      • G Guffa

        What value? You can create an Exception object with any message you like: new ApplicationException("Nu sket det sig rejält, må jag säga.") You can also create specific Exception objects for different kinds of errors. Some examples: new ArgumentNullException("path", "The path argument may not be null.") new NullReferenceException("The operation resulted in a null reference.") new IndexOutOfRangeException("The position has to be in the range 0 to 9.")

        --- It's amazing to see how much work some people will go through just to avoid a little bit of work.

        B Offline
        B Offline
        babutkchn
        wrote on last edited by
        #4

        for example in the following code i've set the value to both source and message.but the application shows error for the MEssage property. I need the soution for this.i need to set the value as in the code. how to set that? Kindly tell me? public class CustomExp : ApplicationException { public void cust(String msg) { this.Source = "test"; this.Message = "testing"; } } babu

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        • B babutkchn

          but for this i've to set the value to the property in the class as follows. this.Message = "msg"; or exception.Message="msg"; how to set that??

          C Offline
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          Colin Angus Mackay
          wrote on last edited by
          #5

          Set the message property of the exception in the constructor.


          Upcoming Scottish Developers events: * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

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          • B babutkchn

            for example in the following code i've set the value to both source and message.but the application shows error for the MEssage property. I need the soution for this.i need to set the value as in the code. how to set that? Kindly tell me? public class CustomExp : ApplicationException { public void cust(String msg) { this.Source = "test"; this.Message = "testing"; } } babu

            C Offline
            C Offline
            Colin Angus Mackay
            wrote on last edited by
            #6

            Set the value of message in the constructor, as in the examples given in the other thread you started.


            Upcoming Scottish Developers events: * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

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            • B babutkchn

              for example in the following code i've set the value to both source and message.but the application shows error for the MEssage property. I need the soution for this.i need to set the value as in the code. how to set that? Kindly tell me? public class CustomExp : ApplicationException { public void cust(String msg) { this.Source = "test"; this.Message = "testing"; } } babu

              G Offline
              G Offline
              Guffa
              wrote on last edited by
              #7

              I explained how you do that in the other thread. If you didn't create mutiple threads about the same thing, the confusion would be less.

              --- It's amazing to see how much work some people will go through just to avoid a little bit of work.

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              • B babutkchn

                but for this i've to set the value to the property in the class as follows. this.Message = "msg"; or exception.Message="msg"; how to set that??

                G Offline
                G Offline
                Guffa
                wrote on last edited by
                #8

                I explained how you do that in the other thread. If you didn't create mutiple threads about the same thing, the confusion would be less.

                --- It's amazing to see how much work some people will go through just to avoid a little bit of work.

                1 Reply Last reply
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                • C Colin Angus Mackay

                  Set the message property of the exception in the constructor.


                  Upcoming Scottish Developers events: * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

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                  B Offline
                  babutkchn
                  wrote on last edited by
                  #9

                  yes. as you said i put the message property in constructor. even thne it shows the error i've mentioned in prev message. babu

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                  • B babutkchn

                    yes. as you said i put the message property in constructor. even thne it shows the error i've mentioned in prev message. babu

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                    C Offline
                    Colin Angus Mackay
                    wrote on last edited by
                    #10

                    babutkchn wrote:

                    as you said i put the message property in constructor. even thne it shows the error i've mentioned in prev message

                    Did you call it right: public MyException : ApplicationException { public MyException(string message) : base (message) { } }


                    Upcoming Scottish Developers events: * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

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                    • C Colin Angus Mackay

                      babutkchn wrote:

                      as you said i put the message property in constructor. even thne it shows the error i've mentioned in prev message

                      Did you call it right: public MyException : ApplicationException { public MyException(string message) : base (message) { } }


                      Upcoming Scottish Developers events: * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

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                      B Offline
                      babutkchn
                      wrote on last edited by
                      #11

                      yes.

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                      • B babutkchn

                        yes.

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                        C Offline
                        Colin Angus Mackay
                        wrote on last edited by
                        #12

                        Then the exception should have the message that is passed in to the constructor. Which is as it should be.


                        Upcoming Scottish Developers events: * Glasgow: Tell us what you want to see in 2007 My: Website | Blog | Photos

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