[CoderMM]

da = New OleDbDataAdapter("select * from [m_d] where [m_date] Between #" & DateTimePicker1.Value & "# and #" & DateTimePicker2.Value.AddDays(1) & "# and [m_prp] = '" & ComboBox2.Text & "'", con)

انا بستخدم ده و مش بيطلع نتايج ولا بيعطي اخطاء ؟