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  • How To Connect With SQL Server DB .

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    Below is the C sharp code to connect with the sql data base in .net

    usingSystem.Data.Sql;
    usingSystem.Data.SqlClient;
    

    // FUNCTION TO CONNECT TO THE SQL SERVER DATABASE

    privatevoidconnectToSQLServer()
            {
    

    // SQL CONNECTION REPRESENTS AN OPEN CONNECTION TO SQL SERVER DATABASE

    SqlConnectionsqlConnection = newSqlConnection(connectionString);   
    

    //CONNECTION STRING IS STRING FOR CONNECTING TO THE SQL SERVER
    // e.g : "Data Source=servername;Initial Catalog=databasename;Integrated Security=True"

    try
                {
    
        SqlCommandsqlCommand=newSqlCommand("Select * from tableName");// QUERY TO BE EXECUTED
    sqlConnection.Open();// OPEN SQL CONNECTION
    sqlCommand.Connection=sqlConnection;
        DataTabletableResult = newDataTable();
            tableResult.Load(sqlCommand.ExecuteReader()) ;// RETURN RESULT OF QUERY
                }
    catch (Exception ex)
                {
                }
    finally
                {
    

    // CLOSE SQL CONNECTION IF IT IS OPEN

    if(sqlConnection!=null&&sqlConnection.State==ConnectionState.Open)
    sqlConnection.Close();            }
            }
    
    

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