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check this

Scheduled Pinned Locked Moved .NET (Core and Framework)
sysadmin
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  • K kulandaivel_mca2007

    public string connection = "Provider=SQLOLEDB; Data Source=D:king.txt;Catalog=STU_ATTENDANCE;User ID=sa;Password=sa; Network Library=dbmssocn"; SqlConnection con1 = new SqlConnection(connection); in my text file king i gave this text "veeserv3" <--(this is my data source name) is it right...

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    Wendelius
    wrote on last edited by
    #4

    No, you cannot refer to the contents of the text file as the data source. Use config file or read the text from the textfile, for example using File.ReadAllLines[^] amd then place the contents to your connection string. Something like:

    string[] datasource = File.ReadAllLines("D:\\king.txt");
    string connection = "Provider=SQLOLEDB; Data Source="
    + datasource[0]
    + ";Catalog=STU_ATTENDANCE;User ID=sa;Password=sa; Network Library=dbmssocn";

    The need to optimize rises from a bad design.My articles[^]

    modified on Thursday, January 22, 2009 12:15 PM

    K 1 Reply Last reply
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    • W Wendelius

      No, you cannot refer to the contents of the text file as the data source. Use config file or read the text from the textfile, for example using File.ReadAllLines[^] amd then place the contents to your connection string. Something like:

      string[] datasource = File.ReadAllLines("D:\\king.txt");
      string connection = "Provider=SQLOLEDB; Data Source="
      + datasource[0]
      + ";Catalog=STU_ATTENDANCE;User ID=sa;Password=sa; Network Library=dbmssocn";

      The need to optimize rises from a bad design.My articles[^]

      modified on Thursday, January 22, 2009 12:15 PM

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      K Offline
      kulandaivel_mca2007
      wrote on last edited by
      #5

      nice gentle man u got my problem... when i include those lines i get this error.... "File does Not exist in the current context"

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      • K kulandaivel_mca2007

        nice gentle man u got my problem... when i include those lines i get this error.... "File does Not exist in the current context"

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        Wendelius
        wrote on last edited by
        #6

        File class is under System.IO namespace, so you can refer to it like System.IO.File.ReadAllLines(... or add using System.IO directive to your file.

        The need to optimize rises from a bad design.My articles[^]

        K 1 Reply Last reply
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        • W Wendelius

          File class is under System.IO namespace, so you can refer to it like System.IO.File.ReadAllLines(... or add using System.IO directive to your file.

          The need to optimize rises from a bad design.My articles[^]

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          kulandaivel_mca2007
          wrote on last edited by
          #7

          i got this error Could not find file 'D:\king.txt'. but i have word file in my d:

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          • K kulandaivel_mca2007

            i got this error Could not find file 'D:\king.txt'. but i have word file in my d:

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            Wendelius
            wrote on last edited by
            #8

            As the message says, the file cannot be opened. Re-chek the path and the name and if another application is having that file open, close the other application first.

            The need to optimize rises from a bad design.My articles[^]

            K 1 Reply Last reply
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            • W Wendelius

              As the message says, the file cannot be opened. Re-chek the path and the name and if another application is having that file open, close the other application first.

              The need to optimize rises from a bad design.My articles[^]

              K Offline
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              kulandaivel_mca2007
              wrote on last edited by
              #9

              the file did not open any where in my project... i gave like this... string[] datasource = File.ReadAllLines("D:\\king.txt"); Could not find file 'D:\king.txt'. if i give like this.... string[] datasource = File.ReadAllLines("D:\king.txt"); Error 1 Unrecognized escape sequence //occurs i gave like this... string[] datasource = File.ReadAllLines("D:king.txt"); Could not find file 'D:\king.txt'.

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              • K kulandaivel_mca2007

                the file did not open any where in my project... i gave like this... string[] datasource = File.ReadAllLines("D:\\king.txt"); Could not find file 'D:\king.txt'. if i give like this.... string[] datasource = File.ReadAllLines("D:\king.txt"); Error 1 Unrecognized escape sequence //occurs i gave like this... string[] datasource = File.ReadAllLines("D:king.txt"); Could not find file 'D:\king.txt'.

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                Wendelius
                wrote on last edited by
                #10

                The problem isn't in your code, but the code cannot open the file from the operating system. Check (for example using windows explorer) that: - the file is on drive D and in the root directory - the file is named king.txt - you have privileges to open the file - the file isn't open in any program, for example in Microsoft Word etc.

                The need to optimize rises from a bad design.My articles[^]

                K 1 Reply Last reply
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                • W Wendelius

                  The problem isn't in your code, but the code cannot open the file from the operating system. Check (for example using windows explorer) that: - the file is on drive D and in the root directory - the file is named king.txt - you have privileges to open the file - the file isn't open in any program, for example in Microsoft Word etc.

                  The need to optimize rises from a bad design.My articles[^]

                  K Offline
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                  kulandaivel_mca2007
                  wrote on last edited by
                  #11

                  file read successfully but.. reading in this manner ::ࡱ\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0>\0\0\t\0\0\0ࡱ\0\0\0\0\0\0\0\0\0\0\0\0\0

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                  • K kulandaivel_mca2007

                    file read successfully but.. reading in this manner ::ࡱ\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0>\0\0\t\0\0\0ࡱ\0\0\0\0\0\0\0\0\0\0\0\0\0

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                    Wendelius
                    wrote on last edited by
                    #12

                    Are you sure it's a plain text file and not for example in Word format? Open it using notepad. It should answer that question. File-class reads the text as plain text. If the file contains some other format, File class is unable to "translate" it to text.

                    The need to optimize rises from a bad design.My articles[^]

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                    • W Wendelius

                      Are you sure it's a plain text file and not for example in Word format? Open it using notepad. It should answer that question. File-class reads the text as plain text. If the file contains some other format, File class is unable to "translate" it to text.

                      The need to optimize rises from a bad design.My articles[^]

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                      kulandaivel_mca2007
                      wrote on last edited by
                      #13

                      i typed "veeserv3" in that word doc... it is not empty... "Format of the initialization string does not conform to specification starting at index 0." this error also occured..

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                      • K kulandaivel_mca2007

                        i typed "veeserv3" in that word doc... it is not empty... "Format of the initialization string does not conform to specification starting at index 0." this error also occured..

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                        kulandaivel_mca2007
                        wrote on last edited by
                        #14

                        VERY VERY THANKS GENTLE MAN... I GOT THE RESULT...

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