去除重命名先置空的操作，去除输入为空的提示

OTSPartA_STDEditor/UI/STDRuleslist.cs

@@ -557,12 +557,13 @@ namespace OTSPartA_STDEditor
                 }
             }
         }
+        string PreN = "";
         private void ToolStripMenuItem_Rename_Click(object sender, EventArgs e)
         {
             if (treeView_G.SelectedNode != null)
             {
                 RenFlag = true;
-                treeView_G.SelectedNode.Text = "";
+                PreN = treeView_G.SelectedNode.Text;
                 if (treeView_G.SelectedNode.Level == 0)
                 {
 
@@ -583,15 +584,15 @@ namespace OTSPartA_STDEditor
                 }
             }
         }
+
+
         private void treeView_G_AfterLabelEdit(object sender, NodeLabelEditEventArgs e)
         {
             if (treeView_G.SelectedNode.Level == 0)
             {
-                if(e.Label == null|| e.Label == "")
+                if(e.Label == "")
                 {
-                    MessageBox.Show("GroupName Cannot Be Null！", "Tip");
                     e.CancelEdit=true;
-                    treeView_G.SelectedNode.Text = ((STDGroups)treeView_G.SelectedNode.Tag).name;
                     return;
                 }
                 if (e.Label != null && e.Label != "")
@@ -616,11 +617,9 @@ namespace OTSPartA_STDEditor
             }
             else
             {
-                if (e.Label == null || e.Label == "") 
+                if (e.Label == "") 
                 {
-                    MessageBox.Show("RuleName Cannot Be Null！", "Tip");
                     e.CancelEdit = true;
-                    treeView_G.SelectedNode.Text = ((STDdata)treeView_G.SelectedNode.Tag).StrName;
                     return;
                 }
                 if (e.Label != null && e.Label != "")

OTSSysMgrApp/OTSSystemManagerForms.cs

@@ -1,5 +1,4 @@
-
-using System;
+using System;
 using System.Data;
 using System.IO;
 using System.Windows.Forms;