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  4. The type or namespace name 'Excel' could not be found

The type or namespace name 'Excel' could not be found

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  • L Lost User

    That doesn't work in .NET 2.0+, since you can't prefix a class name with a "part" of the namespace like that.

    Bastard Programmer from Hell :suss:

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    L Offline
    Lost User
    wrote on last edited by
    #8

    OP is using .NET 4.0.

    Unrequited desire is character building. OriginalGriff I'm sitting here giving you a standing ovation - Len Goodman

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    • D Dinesh92

      i think you should use "Add reference", right click on form->Add reference, there you will get all the namespace which are available. :)

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      P Offline
      pmcm
      wrote on last edited by
      #9

      I've added the MS Excel 14.0 Object Library reference (COM Tab), Richard the link that you have recommended is one that I have already followed but I was still getting the error.

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      0
      • L Lost User

        OP is using .NET 4.0.

        Unrequited desire is character building. OriginalGriff I'm sitting here giving you a standing ovation - Len Goodman

        L Offline
        L Offline
        Lost User
        wrote on last edited by
        #10

        Shouldn't work in 4.0 either, but I'm too lazy to give it a try right now :)

        Bastard Programmer from Hell :suss:

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        • L Lost User

          Shouldn't work in 4.0 either, but I'm too lazy to give it a try right now :)

          Bastard Programmer from Hell :suss:

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          L Offline
          Lost User
          wrote on last edited by
          #11

          Eddy Vluggen wrote:

          Shouldn't work in 4.0 either

          I've used it in 3.0 and it worked fine. Did you read the linked article I referred to?

          Unrequited desire is character building. OriginalGriff I'm sitting here giving you a standing ovation - Len Goodman

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          • L Lost User

            Eddy Vluggen wrote:

            Shouldn't work in 4.0 either

            I've used it in 3.0 and it worked fine. Did you read the linked article I referred to?

            Unrequited desire is character building. OriginalGriff I'm sitting here giving you a standing ovation - Len Goodman

            L Offline
            L Offline
            Lost User
            wrote on last edited by
            #12

            That tells us that you have probably used VB to implement the example, as C# doesn't allow a prefix of the classname with a partial namespace;

            Namespace Mine.Test
            Public Class SomeClass
            Public Property P As Guid
            End Class
            End Namespace

            --

            Imports ScratchVb.Mine

            Module Module1
            Sub Main()
            ' VB.NET allows you to use "a part" of the namespace as a prefix
            Dim X As Object = New Test.SomeClass()
            End Sub
            End Module

            using System;
            namespace Mine.Test
            {
            class SomeClass
            {
            public Guid P { get; set; }
            }
            }

            --

            using Mine;

            namespace Scratch
            {
            class Program
            {
            static void Main(string[] args)
            {
            // Prefixing a part of the name isn't allowed
            Object X = new Test.SomeClass();
            // Full namespace is allowed, of course;
            Object X = new Mine.Test.SomeClass();
            }
            }
            }

            Yes, read the article some time ago. Did you try it? :)

            Bastard Programmer from Hell :suss:

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            • L Lost User

              That tells us that you have probably used VB to implement the example, as C# doesn't allow a prefix of the classname with a partial namespace;

              Namespace Mine.Test
              Public Class SomeClass
              Public Property P As Guid
              End Class
              End Namespace

              --

              Imports ScratchVb.Mine

              Module Module1
              Sub Main()
              ' VB.NET allows you to use "a part" of the namespace as a prefix
              Dim X As Object = New Test.SomeClass()
              End Sub
              End Module

              using System;
              namespace Mine.Test
              {
              class SomeClass
              {
              public Guid P { get; set; }
              }
              }

              --

              using Mine;

              namespace Scratch
              {
              class Program
              {
              static void Main(string[] args)
              {
              // Prefixing a part of the name isn't allowed
              Object X = new Test.SomeClass();
              // Full namespace is allowed, of course;
              Object X = new Mine.Test.SomeClass();
              }
              }
              }

              Yes, read the article some time ago. Did you try it? :)

              Bastard Programmer from Hell :suss:

              L Offline
              L Offline
              Lost User
              wrote on last edited by
              #13

              Eddy Vluggen wrote:

              That tells us that you have probably used VB to implement the example, as C# doesn't allow a prefix of the classname with a partial namespace;

              Wrong on both counts.

              Eddy Vluggen wrote:

              Yes, read the article some time ago. Did you try it?

              Yes I tried it, using C# as i)I never use or have used VB/VB.NET and ii)the title of the article is How to automate Microsoft Excel from Microsoft Visual C#.NET!

              Unrequited desire is character building. OriginalGriff I'm sitting here giving you a standing ovation - Len Goodman

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              • P pmcm

                I've added the MS Excel 14.0 Object Library reference (COM Tab), Richard the link that you have recommended is one that I have already followed but I was still getting the error.

                L Offline
                L Offline
                Lost User
                wrote on last edited by
                #14

                pmcm wrote:

                Richard the link that you have recommended is one that I have already followed but I was still getting the error.

                Can you show your code and the exact text of the error message?

                Unrequited desire is character building. OriginalGriff I'm sitting here giving you a standing ovation - Len Goodman

                P 1 Reply Last reply
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                • L Lost User

                  Eddy Vluggen wrote:

                  That tells us that you have probably used VB to implement the example, as C# doesn't allow a prefix of the classname with a partial namespace;

                  Wrong on both counts.

                  Eddy Vluggen wrote:

                  Yes, read the article some time ago. Did you try it?

                  Yes I tried it, using C# as i)I never use or have used VB/VB.NET and ii)the title of the article is How to automate Microsoft Excel from Microsoft Visual C#.NET!

                  Unrequited desire is character building. OriginalGriff I'm sitting here giving you a standing ovation - Len Goodman

                  L Offline
                  L Offline
                  Lost User
                  wrote on last edited by
                  #15

                  Richard MacCutchan wrote:

                  Yes I tried it, using C#

                  Never mind :)

                  Bastard Programmer from Hell :suss:

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                  • L Lost User

                    Richard MacCutchan wrote:

                    Yes I tried it, using C#

                    Never mind :)

                    Bastard Programmer from Hell :suss:

                    L Offline
                    L Offline
                    Lost User
                    wrote on last edited by
                    #16

                    Eddy Vluggen wrote:

                    Never mind

                    I don't mind, it's you that kept banging on about it, like a :mad:

                    Unrequited desire is character building. OriginalGriff I'm sitting here giving you a standing ovation - Len Goodman

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                    • L Lost User

                      pmcm wrote:

                      Richard the link that you have recommended is one that I have already followed but I was still getting the error.

                      Can you show your code and the exact text of the error message?

                      Unrequited desire is character building. OriginalGriff I'm sitting here giving you a standing ovation - Len Goodman

                      P Offline
                      P Offline
                      pmcm
                      wrote on last edited by
                      #17

                      I fixed this issue by doing:

                      using Microsoft.Office.Interop;
                      using Excel = Microsoft.Office.Interop.Excel;
                      using Word = Microsoft.Office.Interop.Word;

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                      • P pmcm

                        I fixed this issue by doing:

                        using Microsoft.Office.Interop;
                        using Excel = Microsoft.Office.Interop.Excel;
                        using Word = Microsoft.Office.Interop.Word;

                        L Offline
                        L Offline
                        Lost User
                        wrote on last edited by
                        #18

                        That's what I suggested yesterday.

                        Unrequited desire is character building. OriginalGriff I'm sitting here giving you a standing ovation - Len Goodman

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