帮助文件移到独立文件夹

Tools/MyCommon/wEditBasic.cs

@@ -50,7 +50,8 @@ namespace Tools.MyCommon
             if (!this._db.ConnectionTest())
             {
                 this._db = null;
-                throw new Exception($"数据库链接无效！\r\n链接：{link}");
+                //   throw new Exception($"数据库链接无效！\r\n链接：{link}");  // 给提示即可，否则无法操作下去，即使想改链接。
+                MessageBox.Show($"数据库链接无效！\r\n链接：{link}");
             }
         }
         /// <summary>

Tools/MyUtils/Utils.cs

@@ -71,7 +71,7 @@ namespace Tools.MyUtils
         /// 提示框
         /// </summary>
         /// <param name="msg"></param>
-        public static void Tip(string msg, int width=0, int height=0)
+        public static void Tip(string msg, int width = 0, int height = 0)
         {
             new wMsgBox().Show(msg, width, height);
         }
@@ -81,7 +81,7 @@ namespace Tools.MyUtils
         /// <param name="txtFileName"></param>
         public static void ShowHelp(string txtFileName)
         {
-            var helpFileName = $@"{Utils.ConfigPath}\{txtFileName}.txt";
+            var helpFileName = $@"{Utils.ConfigPath}\help\{txtFileName}.txt";
             if (File.Exists(helpFileName))
             {
                 using (var sr = new StreamReader(helpFileName))
@@ -167,13 +167,15 @@ namespace Tools.MyUtils
         public static DataRow GetNewRow(this DataTable dt)
         {
             var result = dt.NewRow();
-            //非空列默认赋值为0
+            //非空列默认赋值为0..
             foreach (DataColumn c in dt.Columns)
             {
                 if (c.AllowDBNull || c.AutoIncrement)
                     continue;
+
                 //非空列处理：主键列根据列类型生成；非主键列统一用0初始化
-                result[c.ColumnName] = dt.PrimaryKey.Contains(c) ? GetDefaultPrimaryKey(c) : "0";
+                // 非空主键可以自动赋值，其他列用0 未考虑数据类型会直接报错
+                result[c.ColumnName] = dt.PrimaryKey.Contains(c) ? GetDefaultPrimaryKey(c) : GetDefaultColumnValue(c);
                 result.EndEdit();
             }
             //当有筛选条件时，默认赋值筛选字段
@@ -224,6 +226,42 @@ namespace Tools.MyUtils
             return result;
         }
 
+
+        private static object GetDefaultColumnValue(DataColumn c)
+        {
+            object result = "0";
+
+            var typeName = c.DataType.Name.ToLower();
+            if (typeName.Equals("int32") || typeName.Equals("int64"))
+            {
+                var obj = c.Table.Compute($"Max({c.ColumnName})", "1=1");
+                int.TryParse(obj?.ToString(), out int max);
+                result = (max + 1).ToString();
+            }
+            else if (typeName.Equals("guid"))
+            {
+                result = Guid.NewGuid().ToString();
+            }
+            else if (typeName.Equals("datetime"))
+            {
+                result = DateTime.Now;
+            }
+            else
+            {
+                result = $"{c.ColumnName}_{c.Table.Rows.Count}";
+            }
+
+            return result;
+        }
+
+
+
+
+
+
+
+
+
         #endregion
         #region (扩展)整型范围
 
@@ -316,7 +354,7 @@ namespace Tools.MyUtils
         {
             return $"IF NOT EXISTS(SELECT 1 FROM sys.tables WHERE name = '{tableName}')\r\nBEGIN\r\nCREATE TABLE {tableName}\r\n(";
         }
-        public static string GenSqlBody(DataTable dt,string tableName, string tableDescription, out List<string> descriptionList)
+        public static string GenSqlBody(DataTable dt, string tableName, string tableDescription, out List<string> descriptionList)
         {
             //描述信息
             descriptionList = new List<string>();

Tools/wMain.cs

@@ -54,8 +54,13 @@ namespace Tools
             try
             {
                 var item = this.listView1.SelectedItems[0];
-                var w = Activator.CreateInstance(item.Tag as Type) as Form;
-                w?.ShowDialog();
+                var from = Activator.CreateInstance(item.Tag as Type) as Form;
+                if (from != null)
+                {
+                    from.Text = item.Text;
+                    from.ShowDialog();
+                    from.Dispose();
+                }
             }
             catch (Exception ex)
             {