bug修改

source/XLRStoreClient/inputForm/FrmInputEquip.cs

@@ -705,6 +705,7 @@ namespace OnlineStore.XLRStore
             {
                 positions = (from m in StoreManager.XLRStore.boxEquip.PositionNumList where m.Contains("BB") select m).ToList<string>();
             }
+            cmb.DataSource = null;
             cmb.Items.Clear();
             cmb.DataSource = positions;
             if (positions.Count > 0)