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ASP .Net Datatable Problem

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  • N Not Active

    This isn't an ASP.NET question, its a database question. You're best bet would be to construct the query to return the results appropriately.


    I know the language. I've read a book. - _Madmatt

    A Offline
    A Offline
    Abhishek Sur
    wrote on last edited by
    #3

    I think he is asking to manipulate Application end DataTable, not Database tables. :sigh:

    Abhishek Sur **Don't forget to click "Good Answer" if you like this Solution.


    My Latest Articles-->** Windows7 API Code Pack
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    • R Rock Star

      Hi,    How can I filter two different datatables in a single datatable? like consider I have following two datatables DataTable A                           DataTable B PID   |   CID                     CID      |   FID 1      |   1                           1         |      1 2      |   2                           4         |      8 4      |   16                        16         |   32 So after filtering I can have a output like DataTable C PID   |   FID 1      |   1 4      |   32 So in my filtered dattable I can have only matching results of datatable A and Datatable C? How can I do this using .Net datatable?

      Rock Star

      A Offline
      A Offline
      Abhishek Sur
      wrote on last edited by
      #4

      You need to recreate the new DataTable. Create Column using DataTable.Columns.Add(new DataColumn() To add a column To add a new Row use DataTable.NewRow() then add the row as DataTable.Rows.Add:rose:

      Abhishek Sur **Don't forget to click "Good Answer" if you like this Solution.


      My Latest Articles-->** Windows7 API Code Pack
      Simplify Code Using NDepend
      Basics of Bing Search API using .NET

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      • A Abhishek Sur

        I think he is asking to manipulate Application end DataTable, not Database tables. :sigh:

        Abhishek Sur **Don't forget to click "Good Answer" if you like this Solution.


        My Latest Articles-->** Windows7 API Code Pack
        Simplify Code Using NDepend
        Basics of Bing Search API using .NET

        N Offline
        N Offline
        Not Active
        wrote on last edited by
        #5

        I realize he is asking for that but it would be more effecient to do it at the database level.


        I know the language. I've read a book. - _Madmatt

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        • N Not Active

          I realize he is asking for that but it would be more effecient to do it at the database level.


          I know the language. I've read a book. - _Madmatt

          A Offline
          A Offline
          Abhishek Sur
          wrote on last edited by
          #6

          Ok... No big deal buddy.. :thumbsup:

          Abhishek Sur **Don't forget to click "Good Answer" if you like this Solution.


          My Latest Articles-->** Windows7 API Code Pack
          Simplify Code Using NDepend
          Basics of Bing Search API using .NET

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          • A Abhishek Sur

            You need to recreate the new DataTable. Create Column using DataTable.Columns.Add(new DataColumn() To add a column To add a new Row use DataTable.NewRow() then add the row as DataTable.Rows.Add:rose:

            Abhishek Sur **Don't forget to click "Good Answer" if you like this Solution.


            My Latest Articles-->** Windows7 API Code Pack
            Simplify Code Using NDepend
            Basics of Bing Search API using .NET

            R Offline
            R Offline
            Rock Star
            wrote on last edited by
            #7

            But I want only matching column of datatable A and datatable B in datatable C How can I do that?

            Rock Star

            1 Reply Last reply
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            • R Rock Star

              Hi,    How can I filter two different datatables in a single datatable? like consider I have following two datatables DataTable A                           DataTable B PID   |   CID                     CID      |   FID 1      |   1                           1         |      1 2      |   2                           4         |      8 4      |   16                        16         |   32 So after filtering I can have a output like DataTable C PID   |   FID 1      |   1 4      |   32 So in my filtered dattable I can have only matching results of datatable A and Datatable C? How can I do this using .Net datatable?

              Rock Star

              E Offline
              E Offline
              Ekvilibrium
              wrote on last edited by
              #8

              Copy all DataTable to arrays, manipulate or filtering and create new DataTable

              R 1 Reply Last reply
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              • E Ekvilibrium

                Copy all DataTable to arrays, manipulate or filtering and create new DataTable

                R Offline
                R Offline
                Rock Star
                wrote on last edited by
                #9

                I was thinking of using select method. Is there any example for selecting data from two different datatables?

                Rock Star

                N 1 Reply Last reply
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                • R Rock Star

                  I was thinking of using select method. Is there any example for selecting data from two different datatables?

                  Rock Star

                  N Offline
                  N Offline
                  Nishant Singh
                  wrote on last edited by
                  #10

                  If you are using dotNetFramework 3.5 using Linq would be the easiest way

                  A 1 Reply Last reply
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                  • N Nishant Singh

                    If you are using dotNetFramework 3.5 using Linq would be the easiest way

                    A Offline
                    A Offline
                    April Fans
                    wrote on last edited by
                    #11

                    Use the SQL sentence: SELECT A.PID,B.FID FROM A,B WHERE A.CID=B.CID, write it in Visual Studio or Procedure

                    April Comm100 - Leading Live Chat Software Provider

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                    • R Rock Star

                      Hi,    How can I filter two different datatables in a single datatable? like consider I have following two datatables DataTable A                           DataTable B PID   |   CID                     CID      |   FID 1      |   1                           1         |      1 2      |   2                           4         |      8 4      |   16                        16         |   32 So after filtering I can have a output like DataTable C PID   |   FID 1      |   1 4      |   32 So in my filtered dattable I can have only matching results of datatable A and Datatable C? How can I do this using .Net datatable?

                      Rock Star

                      A Offline
                      A Offline
                      April Fans
                      wrote on last edited by
                      #12

                      ???Do you want to get a datatable?? StringBuilder strSQL= new StringBuilder("select A.* from A a inner join B on A.CID = B.CID"); SqlCommand cmd = new SqlCommand(strSQL.ToString(), conn, transaction); DataTable C= new DataTable(); C.Load(cmd.ExecuteReader(), LoadOption.Upsert);

                      April Comm100 - Leading Live Chat Software Provider

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