sql的列的说明

<#@ template debug="true" hostspecific="true" language="C#" #> <#@ assembly name="System.Core" #> <#@ assembly name="System.Data" #> <#@ assembly name="System.Xml" #> <#@ assembly name="System.Configuration" #> <#@ import namespace="System.Linq" #> <#@ import namespace="System.Text" #> <#@ import namespace="System.Collections.Generic" #> <#@ import namespace="System.Data.SqlClient" #> <#@ import namespace="System.Data" #> <#@ output extension=".cs" #> using System;

namespace EIR.Module { <#     //System.Diagnostics.Debugger.Launch();//---进入调试     string nameClass= System.IO.Path.GetFileNameWithoutExtension(this.Host.TemplateFile);     string configPath=Host.ResolveAssemblyReference("$(ProjectDir)")+"app.config";     var configPathMap=new System.Configuration.ExeConfigurationFileMap(){ExeConfigFilename=configPath};     var appConfig=System.Configuration.ConfigurationManager.OpenMappedExeConfiguration(configPathMap, System.Configuration.ConfigurationUserLevel.None);     var connSection= appConfig.GetSection("connectionStrings") as System.Configuration.ConnectionStringsSection;      string cnnstr= connSection.ConnectionStrings["cnnstrMasterMssql"].ConnectionString;     string cmdstrForColDescription=string.Format("with htt as({0}),gmm as ({1}) select htt.name,gmm.value from htt left join gmm on htt.column_id=gmm.minor_id",                              "select * from sys.columns where object_id=OBJECT_ID('"+nameClass+"')",                              "select * from sys.extended_properties where sys.extended_properties.major_id=OBJECT_ID('"+nameClass+"')");     this.WriteLine(string.Format("{1}public class {0}",nameClass,new String(' ',4)));     this.WriteLine(new String(' ',4)+"{");     using (SqlConnection cnn = new SqlConnection(cnnstr))             {                 using (SqlCommand cmd = cnn.CreateCommand())                 {                     cnn.Open();                     cmd.CommandText = "select * from "+nameClass;                     SqlDataReader rr=cmd.ExecuteReader();                     DataTable table = rr.GetSchemaTable();                     rr.Close();                     cmd.CommandText=cmdstrForColDescription;                     using(SqlDataAdapter adapater=new SqlDataAdapter(cmd))                     {                         DataTable tableDesp=new DataTable();                         adapater.Fill(tableDesp);                         foreach (DataRow row in table.Rows)                         {                             string colName = row["ColumnName"].ToString();                             string colType = row["DataType"].ToString().Substring(7);        bool allowDBNull=Convert.ToBoolean(row["AllowDBNull"]);                             if(allowDBNull && !colType.Equals("String"))                                     colType="Nullable<"+colType+">";                             this.WriteLine(string.Format("{3}/// <summary>",colType,colName,"{set;get;}",new String(' ',8)));                             this.WriteLine(string.Format("{3}///{4}",colType,colName,"{set;get;}",new String(' ',8),tableDesp.Select("name='"+colName+"'")[0]["value"].ToString().Replace("\r\n"," ").Replace("\n"," ").Replace("\n"," ")));                             this.WriteLine(string.Format("{3}/// </summary>",colType,colName,"{set;get;}",new String(' ',8)));                             this.WriteLine(string.Format("{3}public {0} {1} {2}",colType,colName,"{set;get;}",new String(' ',8)));                         }                     }                 }             }  #>     } }