Generate c# const string class with SQL Server table and column names

SQLTables.sql

<#@ template debug="false" hostspecific="false" language="C#" #>
<#@ assembly name="System.Core" #>
<#@ import namespace="System.Linq" #>
<#@ import namespace="System.Text" #>
<#@ import namespace="System.Collections.Generic" #>
<#@ output extension=".cs" #>
<#@ assembly   name        = "Microsoft.CSharp"             #>
<#@ assembly   name        = "System.Data"                  #>
<#@ import     namespace   = "System.Dynamic"               #>
<#@ import     namespace   = "System.Data.SqlClient"        #>
<#
 var namespaceName    = "Application.Common";

 // Update the connection string to something appropriate
 var connectionString = @"<<<Connection String>>>";
#>
<#
 using (var db = new SqlConnection (connectionString))
 using (var cmd = db.CreateCommand ())
 {
	db.Open();
	var tables              = ReadRows (cmd, "SELECT * FROM sys.tables").ToArray ();

	var columns             = ReadRows (cmd, "SELECT * FROM sys.columns").ToLookup (k => k.object_id);
#>

// ReSharper disable InconsistentNaming
// ReSharper disable MemberHidesStaticFromOuterClass
namespace <#=namespaceName#>
{
	// For shorter names in code this is class names is shorter
	public static class DbConsts
	{
  <#
        foreach (var table in tables)
        {         
  #>
		public static class <#=table.name#>
		{
			public const string Name = "<#=table.name#>";

			public static class Cols 
			{
  <#
           IEnumerable<dynamic> tc = columns[table.object_id];
           var tableColumns = tc.OrderBy (r => r.column_id).ToArray ();          

           foreach (var tableColumn in tableColumns)
           {
  #>
				public const string <#=tableColumn.name#> = "<#=tableColumn.name#>";
  <#
		}
  #>
			}

		}

  <#
        }
  #>
	}
}
  <#
     }
  #>

  <#+

     static IEnumerable<dynamic> ReadRows (SqlCommand command, string sql)
     {
        command.CommandText = sql ?? "";

        using (var reader = command.ExecuteReader())
        {
           while (reader.Read())
           {
              var dyn = new ExpandoObject ();
              IDictionary<string, object> dic = dyn;

              for (var iter = 0; iter < reader.FieldCount; ++iter)
              {
                    dic[reader.GetName(iter) ?? ""] = reader.GetValue(iter);
              }

              yield return dyn;
           }

        }
     }
#>