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Dynamics 365 Community / Forums / Microsoft Dynamics NAV (Archived) / Is it possible to acce...
Microsoft Dynamics NAV (Archived)

Is it possible to access SQL from C/AL?

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Posted on by Jaime Figueras 179

I need to get data from another databases. I tryied using linked objects and it works but it is too slow and expensive as I need a table for each view.

Is it possible to connect to a SQL Server and run a command? Maybe with an automation or DotNet variable?

It would be perfect if I can tun this: Select * from MyTable and read the rows. So I can generate a temporaly table and run a page.

Thanks.

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  • Suggested answer
    Suresh Kulla Profile Picture
    Suresh Kulla 50,243 Super User 2025 Season 2 on at

    Yes, you can connect to SQL and execute the query or stored procedure. Below is an example using DotNet "'System.Data Variables

    GetSQLConnectionString returns the connection string

    'Data Source=' + "SQL Server Name" + ';'

                         + 'Initial Catalog=' + "SQL Database Name" + ';'

                         + 'Uid=' + "SQL UserID" + '; '

                         + 'Pwd=' + "SQL Password" + ';'

SQLConnection    := SQLConnection.SqlConnection(GetSQLConnectionString);

     SQLCommand := SQLCommand.SqlCommand();

     SQLCommand.Connection := SQLConnection;

     SQLConnection.Open;

     SQLCommand.CommandText :=  'sp_abcd';

     SQLCommand.CommandType := SQLCommand.CommandType.StoredProcedure;

     SQLCommand.CommandTimeout := 120;

    // If you have parameters you need to add parameters using the SQL Parameter      

     SQLParameter := SQLParameter.SqlParameter;

     SQLParameter.ParameterName := '@CustomerNo';

     SQLParameter.SqlDbType := SQLParameter.SqlDbType.VarChar;

     SQLParameter.Direction := SQLParameter.Direction.Input;

     SQLParameter.Size := 50;

     SQLParameter.Value:=CustNo;

     SQLCommand.Parameters.Add(SQLParameter);

     SQLCommand.ExecuteScalar;

     SQLConnection.Close;

     SQLConnection.Dispose;


  • Jaime Figueras Profile Picture
    Jaime Figueras 179 on at

    Thanks for your reply. It sound great. What if I cant Find System.Data.Variables...?

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