The facility has not been found by the microsoft office access core. C# Forms

[chanisef]

We need to import excel data from the file into the datagridview, but he can't find the file, although the path was right. Makes a mistake: the facility is not found by the microsoft office access core. Where's the mistake? Thank you. Excel himself https://imgur.com/W0ENhDF

using System.Data;
using System.Threading.Tasks;
using System.Windows.Forms;
using Excel = Microsoft.Office.Interop.Excel;
using System.IO;
using System.Reflection;
using System.Data.OleDb;
namespace WindowsFormsApplication5
{
    public partial class Form1 : Form
    {
        DataSet ds = new DataSet();
        OleDbDataAdapter adapter = new OleDbDataAdapter();
    public Form1()
    {
        InitializeComponent();
    }

    private void Connection_Click(object sender, EventArgs e)
    {
        string path = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
        MessageBox.Show(path.ToString());
        path = Path.Combine(path, "textfortest.xlsx");
        string ConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source="+path+@"; Extended Properties=""Excel 12.0 Macro;HDR=Yes;ImportMixedTypes=Text;TypeGuessRowsIMEX=1;TypeGuessRows=0""";
        OleDbConnection conn = new OleDbConnection(ConnectionString);
        string Strcmd = "select * from [Лист1$A1:D9]";
        OleDbCommand cmd = new OleDbCommand(Strcmd, conn);
        try
        {
            conn.Open();
            ds.Clear();
            adapter.SelectCommand = cmd;
            adapter.Fill(ds);
            dataGridView1.DataSource = ds.Tables[0];

        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.ToString());
        }
        finally
        {
            conn.Close();
        }

    }
}

}

[Cleofas]

Erroneous report on an unification request containing more than one association for complex data tables: "The target is not found by the Microsoft Office Access nucleus."

The following erroneous report may be displayed in adding the investment field to the table: { The object has not been found the core of the Microsoft Office Access database. Check the existence of the object and the correct name and path. ♪ This error occurs when a request for integration is in the field with more than one association for complex data tables.

Acceptance https://support.microsoft.com/ru-ru/kb/942378

p.s. I think the problem with the names of the columns seems like