vb.net - Booking Rooms (Searching between two dates) -


i'm trying search database find dates selected in datetimepickers (also inbetween dates) , remove items combobox. however, there no errors, data still in combobox once selected.

  dim date1 datetime = dtpdatein.value()     dim date2 datetime = dtpdateout.value()     dim da oledbdataadapter = new oledbdataadapter     dim bookingfound string = false      myconn = new oledbconnection       myconn.connectionstring = connstring       myconn.open()       str1 = ("select * bookinginformation [date in] >= '" & date1 & "' , [date out] <= '" & date2 & "'")       dim cmd1 oledbcommand = new oledbcommand(str1, myconn)      dr = cmd1.executereader       while dr.read()          bookingfound = true           strdateout = dr("date out").tostring          strdatein = dr("date in").tostring          strroomnumber = dr("room number").tostring           cmbrooms.items.remove(strroomnumber)     end while     myconn.close()


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