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database connection problem

Scheduled Pinned Locked Moved C#
csharpdatabasehelpsql-serversysadmin
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  • E Offline
    E Offline
    Erdinc27
    wrote on last edited by
    #1

    hi all i am just beginner in c# and i want to make a PhoneBook project by using ADO.Net.. and i use SQL Server 2005 Express Edition for my database but i have a problem while connecting database..in the error it says: "Cannot database "Kisiler" requested by the login.The login failed.The login failed for user 'Computer\SQLEXPRESS'" my connection string is like that : SqlConnection con = new SqlConnection("Data source=COMPUTER\\SQLEXPRESS;initial catalog=Kisiler;integrated security=True"); i checked services after that error..everything looks running when i looked at SQL Server Configuration manager what should i do now ?

    L P M 3 Replies Last reply
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    • E Erdinc27

      hi all i am just beginner in c# and i want to make a PhoneBook project by using ADO.Net.. and i use SQL Server 2005 Express Edition for my database but i have a problem while connecting database..in the error it says: "Cannot database "Kisiler" requested by the login.The login failed.The login failed for user 'Computer\SQLEXPRESS'" my connection string is like that : SqlConnection con = new SqlConnection("Data source=COMPUTER\\SQLEXPRESS;initial catalog=Kisiler;integrated security=True"); i checked services after that error..everything looks running when i looked at SQL Server Configuration manager what should i do now ?

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      L Offline
      lalit14
      wrote on last edited by
      #2

      SqlConnection con = new SqlConnection("Data source=COMPUTER\\SQLEXPRESS;initial catalog=Kisiler;integrated security=True**; User id=sa; Password=123456**"); Use this. but do remember to type ur userid and password Regards Lalit Manik

      E 1 Reply Last reply
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      • E Erdinc27

        hi all i am just beginner in c# and i want to make a PhoneBook project by using ADO.Net.. and i use SQL Server 2005 Express Edition for my database but i have a problem while connecting database..in the error it says: "Cannot database "Kisiler" requested by the login.The login failed.The login failed for user 'Computer\SQLEXPRESS'" my connection string is like that : SqlConnection con = new SqlConnection("Data source=COMPUTER\\SQLEXPRESS;initial catalog=Kisiler;integrated security=True"); i checked services after that error..everything looks running when i looked at SQL Server Configuration manager what should i do now ?

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        puri keemti
        wrote on last edited by
        #3

        Problem is with connection string. User name and password credentials are missing there....

        M 1 Reply Last reply
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        • E Erdinc27

          hi all i am just beginner in c# and i want to make a PhoneBook project by using ADO.Net.. and i use SQL Server 2005 Express Edition for my database but i have a problem while connecting database..in the error it says: "Cannot database "Kisiler" requested by the login.The login failed.The login failed for user 'Computer\SQLEXPRESS'" my connection string is like that : SqlConnection con = new SqlConnection("Data source=COMPUTER\\SQLEXPRESS;initial catalog=Kisiler;integrated security=True"); i checked services after that error..everything looks running when i looked at SQL Server Configuration manager what should i do now ?

          M Offline
          M Offline
          MNantu
          wrote on last edited by
          #4

          Try changing the Data Source to Data Source=.\\SQLEXPRESS (Assuming you're using the default instance.) You can also check out connectionstrings.com[^] Hope this helps =)

          E 1 Reply Last reply
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          • L lalit14

            SqlConnection con = new SqlConnection("Data source=COMPUTER\\SQLEXPRESS;initial catalog=Kisiler;integrated security=True**; User id=sa; Password=123456**"); Use this. but do remember to type ur userid and password Regards Lalit Manik

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            Erdinc27
            wrote on last edited by
            #5

            thanks for the reply friend i tried the string u wrote but still i get same error and i didnt use any password while i was creating my table...i mean i use 'Windows Authentication' mode u have any else suggesstion ?

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            • P puri keemti

              Problem is with connection string. User name and password credentials are missing there....

              M Offline
              M Offline
              MNantu
              wrote on last edited by
              #6

              When connecting to a database with Integrated Security set to true, I don't think you need to specify User ID and Password. :)

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              • M MNantu

                Try changing the Data Source to Data Source=.\\SQLEXPRESS (Assuming you're using the default instance.) You can also check out connectionstrings.com[^] Hope this helps =)

                E Offline
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                Erdinc27
                wrote on last edited by
                #7

                hi i checked the site but as i see my connection string is the same in the site i give permission that user to use the database but still i have error :(

                M 1 Reply Last reply
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                • E Erdinc27

                  hi i checked the site but as i see my connection string is the same in the site i give permission that user to use the database but still i have error :(

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                  MNantu
                  wrote on last edited by
                  #8

                  Which OS do you use by the way

                  E 1 Reply Last reply
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                  • M MNantu

                    Which OS do you use by the way

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                    E Offline
                    Erdinc27
                    wrote on last edited by
                    #9

                    i use windows XP

                    L 2 Replies Last reply
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                    • E Erdinc27

                      i use windows XP

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                      lalit14
                      wrote on last edited by
                      #10

                      Try "Integrated Security=false" and the above code i have given... i Hope it will work Regards Lalit Manik

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                      • E Erdinc27

                        i use windows XP

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                        lalit14
                        wrote on last edited by
                        #11

                        Temme 1 thing, the account from which u logged in to Ur computer have rights to access the SQl?

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                        • L lalit14

                          Temme 1 thing, the account from which u logged in to Ur computer have rights to access the SQl?

                          E Offline
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                          Erdinc27
                          wrote on last edited by
                          #12

                          yeah i have given permission to that user but still it says it doesnt have to reach the db

                          M 1 Reply Last reply
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                          • E Erdinc27

                            yeah i have given permission to that user but still it says it doesnt have to reach the db

                            M Offline
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                            MNantu
                            wrote on last edited by
                            #13

                            Is database server running on your local machine ?

                            E 1 Reply Last reply
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                            • M MNantu

                              Is database server running on your local machine ?

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                              Erdinc27
                              wrote on last edited by
                              #14

                              yeah it works man do you think it happens becuase of installation or some another options ??

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