Загрузить данные в таблицу

 this.паркиTableAdapter.Fill(this.proba38DataSet.Парки);

public SqlDataAdapter da2 = new SqlDataAdapter();

                da2.InsertCommand = scb.GetInsertCommand();
                da2.DeleteCommand = scb.GetDeleteCommand();
                da2.UpdateCommand = scb.GetUpdateCommand();

using System.Data.SqlClient;

                string n = comboBox1.Text;
                
                    DataGridView newDGV = new DataGridView();
 
                string connectionString = @"Data Source=DESKTOP-FLUQ9QM\MYMSSQLSERVER;
            Initial Catalog=Proba38;Integrated Security=True";
 
 
                string query = @"
CREATE TABLE [dbo].["+n+ @"](
    [ID] [int] NOT NULL,
    [Насаждения] [nchar](50) NOT NULL,
    [Количество] [int] NULL,
    [Служащий] [nchar](50) NOT NULL,
 CONSTRAINT [PK_" + n + @"_1] PRIMARY KEY CLUSTERED 
(
    [ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
 
 
ALTER TABLE [dbo].[" + n + @"]  WITH CHECK ADD  CONSTRAINT [FK_" + n + @"_Парки] FOREIGN KEY([ID])
REFERENCES [dbo].[Парки] ([ID])
 
ALTER TABLE [dbo].[" + n + @"] CHECK CONSTRAINT [FK_" + n + @"_Парки]
 
ALTER TABLE [dbo].[" + n + @"]  WITH CHECK ADD  CONSTRAINT [FK_" + n + @"_Растения] FOREIGN KEY([Насаждения])
REFERENCES [dbo].[Растения] ([Название])
 
ALTER TABLE [dbo].[" + n + @"] CHECK CONSTRAINT [FK_" + n + @"_Растения]
 
ALTER TABLE [dbo].[" + n + @"]  WITH CHECK ADD  CONSTRAINT [FK_" + n + @"_Служители] FOREIGN KEY([Служащий])
REFERENCES [dbo].[Служители] ([ФИО])
 
ALTER TABLE [dbo].[" + n + @"] CHECK CONSTRAINT [FK_" + n + @"_Служители]
 
 
SELECT [ID]
      ,[Насаждения]
      ,[Количество]
      ,[Служащий]
  FROM [dbo].[" + n + @"]
 
 
";
 
            
                SqlDataAdapter da2 = new SqlDataAdapter();
 
                SqlConnection rt = new SqlConnection(connectionString);
                rt.Open();
 
                SqlCommand cmd = new SqlCommand(query, rt);
 
                da2.SelectCommand = cmd;
                SqlCommandBuilder scb = new SqlCommandBuilder(da2);
 
                da2.InsertCommand = scb.GetInsertCommand();
                da2.DeleteCommand = scb.GetDeleteCommand();
                da2.UpdateCommand = scb.GetUpdateCommand();
 
                da2.Fill(proba38DataSet, n);

SqlConnection rt = new SqlConnection(connectionString);
rt.Open();
SqlCommand cmd = new SqlCommand(query, rt);
cmd.ExecuteNonQuery();
rt.Close();

dataGridView1.DataSource = proba38DataSet.Парки;

string connectionString = @"Data Source=(localdb)\MSSQLLocalDB;Initial Catalog=test;Integrated Security=True";
            string sql = "select * FROM [Orders]";
            SqlConnection sqlconnection = new SqlConnection();
            try
            {
                sqlconnection = new SqlConnection(connectionString);
                SqlCommand command = new SqlCommand(sql, sqlconnection);
                orderAdapter = new SqlDataAdapter(command);
 
                ordersTable = new DataTable();
                orderAdapter.Fill(ordersTable);
                dataGridView1.DataSource = ordersTable.DefaultView;
            }
            catch (Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.Message);
            }
            finally
            {
                if (sqlconnection.State == ConnectionState.Open)
                    sqlconnection.Close();
            }

dataGridView1.DataSource = proba38DataSet.ИМЯ;

private void button1_Click(object sender, EventArgs e)
        {
            string connectionString = @"Data Source=(localdb)\MSSQLLocalDB;Initial Catalog=test;Integrated Security=True";
            string sql = @"CREATE TABLE [dbo].[" + comboBox1.SelectedItem + @"] (
    [Idorders] INT IDENTITY (1, 1) NOT NULL,
    [Username] NVARCHAR(50) NULL,
    [Money] INT NULL,
    [Date]     DATETIME DEFAULT(getdate()) NULL,
    PRIMARY KEY CLUSTERED([Idorders] ASC));
    
    INSERT INTO [dbo].["+ comboBox1.SelectedItem + @"] (Username, Money, Date) VALUES ('Test', '123456', '10.10.2019')
    
    SELECT * FROM ["+comboBox1.SelectedItem+"]";
            MessageBox.Show("База создана: " + comboBox1.SelectedItem);
            SqlConnection sqlconnection = new SqlConnection();
            try
            {
                sqlconnection = new SqlConnection(connectionString);
                SqlCommand command = new SqlCommand(sql, sqlconnection);
                orderAdapter = new SqlDataAdapter(command);
 
                ordersTable = new DataTable();
                orderAdapter.Fill(ordersTable);
                dataGridView1.DataSource = ordersTable.DefaultView;
            }
            catch (Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.Message);
            }
            finally
            {
                if (sqlconnection.State == ConnectionState.Open)
                    sqlconnection.Close();
            }
 
        }

SELECT * FROM ["+comboBox1.SelectedItem+"]";