Save and retrieve image C#

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C#

I have app, but have some simple solution.

Using this code to insert into sql and working fine.
But i have 2000 employes and have problem with database was too big when put inside pictures of all workers

I need some help or solution, to save some loaction with file name exmp. c:\some folder\imageofemployee.jpg

When click on datagrid row (selection changed) to show picture from that location

Not put in sql image, just file location.

What I have tried:

//Insert into sql  
  
 byte[] img_arr = null;  
            MemoryStream ms = new MemoryStream();  
            //dataPictureBox.Image.Save(ms, dataPictureBox.Image.RawFormat);  
  
            bool isNullOrEmpty = pictureBox1 == null || pictureBox1.Image == null;  
            if (!isNullOrEmpty)  
                pictureBox1.Image.Save(ms, pictureBox1.Image.RawFormat);  
  
  
            img_arr = ms.GetBuffer();  
  
            
  
                    using (SqlConnection openCon = new SqlConnection(cs))  
                    {  
                        string saveStaff = "declare @maxNo integer = 0 select @maxNo = isnull(max(redni_broj), 0) from [dbo].[radnici]; Set @maxNo=@maxNo+1;  INSERT INTO dbo.radnici (redni_broj, data) VALUES (@maxNo,@data)";  
  
                        using (SqlCommand querySaveStaff = new SqlCommand(saveStaff))  
                        {  
                            querySaveStaff.Connection = openCon;  
                             
                            querySaveStaff.Parameters.AddWithValue("@data", img_arr);  
  
  
                            openCon.Open();  
                            querySaveStaff.ExecuteNonQuery();  
                            openCon.Close();  
  
  
  
                        }