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25 paź 2013 · Try using this, it is working fine for me: <add name="sConnectionString" connectionString="Integrated Security=SSPI;Persist Security Info=False;User ID=userid;Initial Catalog=databasename;Data Source=.\SQLEXPRESS" providerName="System.Data.SqlClient" /> SqlConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings ...
30 sty 2022 · As usual, If it shows a message box called Test Connection succeeded, it indicates that your connection is successful. Finally, you could get your connection string from the Advanced Properties. Note: You can set DataSource string as the connection string.
23 lis 2024 · For example, if you set a connection string that includes "Database= AdventureWorks", and then reset the connection string to "Data Source=myserver;Integrated Security=true", the Database property is no longer set to "AdventureWorks". The connection string is parsed immediately after being set.
6 lut 2021 · Please check the connection string, it should be something like below one: myConnectionString = @"Driver={Microsoft Access Driver (*.mdb)};" + "Dbq=C:/Users/POS/[DataFileName].mdb;Uid=Admin;Pwd=;
21 sty 2016 · My connection string works when ‘hard coded’ in but not when read from a text file. I have displayed the contents in a textbox and messagebox it definitely reads and displays it fine. I copy and paste the contents of my text file into a db connection string and it works.
22 gru 2022 · You create a new instance, set each property value you need and then read the ConnectionString property. Another thing that could be failing is using a SqlCommand and not set the Connection property. Post the code block that creates the connection and execute some query.
1 mar 2020 · Even though an app.config file is present in the solution, EF cannot read the connection string from it: System.InvalidOperationException: No connection string named 'ShopDbContext' could be found in the application config file. at System.Data.Entity.Internal.LazyInternalConnection.Initialize()
