1.处理只有一条规则时，向下调整规则按钮不置灰的bug

2.优化——即使当前规则为空仍可关闭

OTSPartA_STDEditor/Form_ConstantsEditor2.cs

@@ -1243,28 +1243,28 @@ namespace OTSPartA_STDEditor
         #endregion
 
         private void rbClose_Click(object sender, EventArgs e)
-        {
-            if (m_STDRuleslist.Grid_Minerals.RowsCount > 1)
-            {
-                if ((m_STDRuleslist.Grid_Minerals[m_STDRuleslist.Grid_Minerals.Selection.ActivePosition.Row, 0].Value.ToString().Replace(" ", "").Trim() != "") && CheckAttributes() && Checktextbox_STDEditor())
-                {
-                    SaveDataOfSelRule(m_STDRuleslist.Grid_Minerals.Selection.ActivePosition.Row, 0);
-                }
-                else
-                {
-                    return;
-                }
-
-            }
-            else
-            {
-                STDDictionaryInitial.Clear();
-            }            if (!EqualsBetweenDictionary(STDDictionaryInitial, STDDictionary) || IsModified)
-
+        {            
+            if (!EqualsBetweenDictionary(STDDictionaryInitial, STDDictionary) || IsModified)
             {
                 DialogResult dr = MessageBox.Show("是否保存当前修改", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
                 if (dr == DialogResult.Yes)
                 {
+                    if (m_STDRuleslist.Grid_Minerals.RowsCount > 1)
+                    {
+                        if ((m_STDRuleslist.Grid_Minerals[m_STDRuleslist.Grid_Minerals.Selection.ActivePosition.Row, 0].Value.ToString().Replace(" ", "").Trim() != "") && CheckAttributes() && Checktextbox_STDEditor())
+                        {
+                            SaveDataOfSelRule(m_STDRuleslist.Grid_Minerals.Selection.ActivePosition.Row, 0);
+                        }
+                        else
+                        {
+                            return;
+                        }
+
+                    }
+                    else
+                    {
+                        STDDictionaryInitial.Clear();
+                    }
                     FormForWaiting forWaiting = new FormForWaiting();
                     forWaiting.Show();
                     bool result = SaveDictionaryToClassify(STDDBAddress);
@@ -1376,11 +1376,15 @@ namespace OTSPartA_STDEditor
 
             if (m_STDRuleslist.Grid_Minerals.RowsCount > 1)
             {
+                m_STDRuleslist.button_UpOrder.Enabled = false;
+                if (m_STDRuleslist.Grid_Minerals.RowsCount == 2)       //就一条时向下按钮置灰
+                {
+                    m_STDRuleslist.button_DownOrder.Enabled = false;
+                }
+                ChangeSTDEditorAndGrid_Attributes(int.Parse(m_STDRuleslist.Grid_Minerals[1, 0].Tag.ToString()));
                 Position pos = new Position(1, 0);
                 m_STDRuleslist.Grid_Minerals[1, 0].Grid.Select();
                 m_STDRuleslist.Grid_Minerals.Selection.Focus(pos, true);
-                ChangeSTDEditorAndGrid_Attributes(int.Parse(m_STDRuleslist.Grid_Minerals[1, 0].Tag.ToString()));
-                m_STDRuleslist.button_UpOrder.Enabled = false;
             }
         }
 
@@ -1471,28 +1475,28 @@ namespace OTSPartA_STDEditor
         {
             if (m_STDRuleslist.Text != "")
             {
-                if (m_STDRuleslist.Grid_Minerals.RowsCount > 1)
-                {
-                    if ((m_STDRuleslist.Grid_Minerals[m_STDRuleslist.Grid_Minerals.Selection.ActivePosition.Row, 0].Value.ToString().Replace(" ", "").Trim() != "") && CheckAttributes() && Checktextbox_STDEditor())
-                    {
-                        SaveDataOfSelRule(m_STDRuleslist.Grid_Minerals.Selection.ActivePosition.Row, 0);
-                    }
-                    else
-                    {
-                        e.Cancel = true;
-                        return;
-                    }
-
-                }
-                else
-                {
-                    STDDictionaryInitial.Clear();
-                }
                 if (!EqualsBetweenDictionary(STDDictionaryInitial, STDDictionary)|| IsModified)
                 {
                     DialogResult dr = MessageBox.Show("是否保存当前修改", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
                     if (dr == DialogResult.Yes)
                     {
+                        if (m_STDRuleslist.Grid_Minerals.RowsCount > 1)
+                        {
+                            if ((m_STDRuleslist.Grid_Minerals[m_STDRuleslist.Grid_Minerals.Selection.ActivePosition.Row, 0].Value.ToString().Replace(" ", "").Trim() != "") && CheckAttributes() && Checktextbox_STDEditor())
+                            {
+                                SaveDataOfSelRule(m_STDRuleslist.Grid_Minerals.Selection.ActivePosition.Row, 0);
+                            }
+                            else
+                            {
+                                e.Cancel = true;
+                                return;
+                            }
+
+                        }
+                        else
+                        {
+                            STDDictionaryInitial.Clear();
+                        }
                         FormForWaiting forWaiting = new FormForWaiting();
                         forWaiting.Show();
                         bool result = SaveDictionaryToClassify(STDDBAddress);