C# model代码生成器

using System.Collections.Generic;
using System.Text;

    public class Class1
    {
        //传递 1.表名 2.列名 3.类型
        public void GenerateModel(string TableName, string ColumnName, string TypeName) //生成Model
        {
            #region  数据库ID所对应的类型值
            Dictionary<int, string> DicType = new Dictionary<int, string>();
            DicType.Add(56, "int");
            DicType.Add(231, "string");
            #endregion
            #region 列名集合和数据ID
            Dictionary<string, int> DicColum = new Dictionary<string, int>();
            DicColum.Add("DictID", 56);
            DicColum.Add("DictType", 231);
            DicColum.Add("ParentID", 56);
            DicColum.Add("Subtitle", 231);
            DicColum.Add("Sorting", 56);
            #endregion

            TypeName = "Model";
            TableName = "TableName";
            TableName = TableName + TypeName;
            StringBuilder sb = new StringBuilder();
            sb.Append("using System;"); //引入命名空间
            sb.Append("namespace "); //命名空间名字
            sb.Append(TypeName + "{");
            sb.Append("    public partial class ");
            sb.Append(TableName + "{");
            sb.Append("public " + TableName + "(){}");


            sb.Append("#region Model" + "
"); //Begin
            #region //内容
            foreach (var i in DicColum)
            {
                foreach (var j in DicType)
                {
                    if (i.Value == j.Key) // DicColum的56== DicType的56
                    {
                        sb.Append("private ");
                        sb.Append(j.Value);
                        sb.Append(" _");
                        //sb.Append(i.Key); //DicColumd的DictID   //转换一下大小写在追加
                        sb.Append(i.Key.ToLower());
                        sb.Append(";
");
                    }
                }
            }

            foreach (var i in DicColum)
            {
                foreach (var j in DicType)
                {
                    if (i.Value == j.Key) // DicColum的56== DicType的56
                    {
                        sb.Append("public ");
                        sb.Append(j.Value);
                        sb.Append(" ");
                        sb.Append(i.Key);
                        sb.Append("{
"); //set{ _dicttype=value;}
                        sb.AppendFormat("set{{ _{0} =value;}}", i.Key.ToLower());
                        sb.AppendFormat("get{{return _{0} ;}}", i.Key.ToLower());
                        sb.Append("
}");                   
                    }
                }
            }

            #endregion
            sb.Append("
" + "#endregion"); //End

            sb.Append("
" + "}}");
            //sb.AppendFormat("using System;namespace {0}{ public partial class Dictionary{1}{ public {1}(){}}}");
            string ss = sb.ToString();
        }

        public void GenerateDAL(string TableName, string ColumnName, string TypeName)
        {
            TypeName = "DAL";
            TableName = "ClassName";
            TableName = TableName + TypeName;

            StringBuilder sb = new StringBuilder();
            sb.Append("using System;"); //引入命名空间
            sb.Append("using System.Data;");
            sb.Append("using System.Text;");
            sb.Append("using System.Data.SqlClient;");
            sb.Append("using System.Collections.Generic;");
            sb.AppendFormat("namespace {0}
{
", TypeName);
            sb.AppendFormat(" public partial class {0}
{
", TableName);
            sb.AppendFormat("public {0}(){}", TableName); //构造函数
            sb.AppendFormat("public int Add({0} model)
{{
", "Model模型名称");
            sb.Append("StringBuilder strSql = new StringBuilder();");
            //这种方法不好---------终止

        }
    }