1、清空表：每次查询清空视图

Tools/UI/wEmptyTable.cs

@@ -57,8 +57,10 @@ namespace Tools.UI
             }
 
             //界面只读
-            this.SetEnabled(false); 
-
+            this.SetEnabled(false);
+            //视图初始化
+            this.View.Controls.Clear();
+            this.View.Height = 20;
             //初始化数据集
             this._ds = new DataSet();
             //初始化相似表
@@ -190,7 +192,7 @@ namespace Tools.UI
                 ReadOnly = true,
                 BackgroundColor = Color.White,
                 Margin = new Padding(5),
-                Height = (dt.DefaultView.Count + 1) * 27,
+                Height = (dt.DefaultView.Count + 1) * 25 + 10,
                 DataSource = dt.DefaultView,
                 Dock = DockStyle.Top,
                 Parent = this.View,