[aljzazy]

كود :

Dim command As New SqlCommand("INSERT INTO table_name (image_column) VALUES (@image)", connection)
command.Parameters.AddWithValue("@image", DBNull.Value)
command.ExecuteNonQuery()

---

كود :

If PictureBox1.Image Is Nothing Then
   Dim command As New SqlCommand("INSERT INTO table_name (image_column) VALUES (@image)", connection)
   command.Parameters.AddWithValue("@image", DBNull.Value)
   command.ExecuteNonQuery()
Else
   ' code to insert the image
End If