/// <summary>
/// DataBase 的摘要说明
/// </summary>
public class DataBase
{
  /// <summary>
  ///DataBase 的摘要说明
  /// </summary>
  protected static SqlConnection BaseSqlConnection = new SqlConnection();//连接对象
  protected SqlCommand BaseSqlCommand = new SqlCommand(); //命令对象
  public DataBase()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }
  protected void OpenConnection()
  {
   if (BaseSqlConnection.State == ConnectionState.Closed) //连接是否关闭
    try
    {
     BaseSqlConnection.ConnectionString = ConfigurationManager.ConnectionStrings["productsunion"].ToString();
     BaseSqlCommand.Connection = BaseSqlConnection;
     BaseSqlConnection.Open();
    }
    catch (Exception ex)
    {
     throw new Exception(ex.Message);
    }
  }
  public void CloseConnection()
  {
   if (BaseSqlConnection.State == ConnectionState.Open)
   {
    BaseSqlConnection.Close();
    BaseSqlConnection.Dispose();
    BaseSqlCommand.Dispose();
   }
  }
  public bool Proc_Return_Int(string proc_name, params SqlParameter[] cmdParms)
  {
   try
   {
    OpenConnection();
    if (cmdParms != null)
    {
     foreach (SqlParameter parameter in cmdParms)
     {
      if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
       (parameter.Value == null))
      {
       parameter.Value = DBNull.Value;
      }
      BaseSqlCommand.Parameters.Add(parameter);
     }
     BaseSqlCommand.CommandType = CommandType.StoredProcedure;
     BaseSqlCommand.CommandText = proc_name;
     BaseSqlCommand.ExecuteNonQuery();
     if (BaseSqlCommand.Parameters["Return"].Value.ToString()== "0")
     {
      return true;
     }
     else
     {
      return false;
     }
    }
    else
    {
     return false;
    }
   }
   catch
   {
    return false;
   }
   finally
   {
    BaseSqlCommand.Parameters.Clear();
    CloseConnection();
   }
  }
}

public class SqlModel:ISqlModel
{
 #region ISqlModel 成员
 public bool Proc_Return_Int(string proc_name, string[,] sArray)
 {
  try
  {
   if (sArray.GetLength(0) >= 1)
   {
    DataBase db = new DataBase();
    SqlParameter[] sqlpar = new SqlParameter[sArray.GetLength(0)+1];//加入返回值
    for (int i = 0; i < sArray.GetLength(0); i++)
    {
     sqlpar[i] = new SqlParameter(sArray[i,0], sArray[i,1]);
    }
    sqlpar[sArray.GetLength(0)] = new SqlParameter("Return", SqlDbType.Int);
    sqlpar[sArray.GetLength(0)].Direction = ParameterDirection.ReturnValue;
    if (db.Proc_Return_Int(proc_name, sqlpar))
    {
     return true;
    }
    else
    {
     return false;
    }
   }
   else
   {
    return false;
   }
  }
  catch
  {
   return false;
  }
 }
 #endregion
}

string[,] sArray = new string[3,2];
sArray[0,0]="@parent_id";
sArray[1,0]="@cn_name";
sArray[2,0]="@en_name";
sArray[0,1]="5";
sArray[1,1]="aaaab";
sArray[2,1]="cccccc";
Factory.SqlModel sm = new Factory.SqlModel();
sm.Proc_Return_Int("Product_Category_Insert", sArray);

ALTER PROCEDURE [dbo].[Product_Category_Insert]
 @parent_id int,
 @cn_Name nvarchar(50),
 @en_Name nvarchar(50)
AS
BEGIN
 SET NOCOUNT ON;
 DECLARE @ERR int
 SET @ERR=0
 BEGIN TRAN
 IF @parent_id<0 OR ISNULL(@cn_Name,'')=''
  BEGIN
   SET @ERR=1
   GOTO theEnd
  END
 IF(NOT EXISTS(SELECT Id FROM Product_Category WHERE Id=@parent_id))
  BEGIN
   SET @ERR=2
   GOTO theEnd
  END
 DECLARE @Id int,@Depth int,@ordering int
 SELECT @Id=ISNULL(MAX(Id)+1,1) FROM Product_Category--计算@Id
 IF @Parent_Id=0
  BEGIN
   SET @Depth=1--计算@Depth
   SELECT @Ordering=ISNULL(MAX(Ordering)+1,1) FROM Product_Category--计算@OrderId
  END
 ELSE
  BEGIN
   SELECT @Depth=Depth+1 FROM Product_Category WHERE Id=@Parent_Id--计算@Depth,计算@Ordering时需要用到
   SELECT @Ordering=MAX(Ordering)+1 FROM Product_Category--计算@Ordering
    WHERE Id=@Parent_Id
   UPDATE Product_Category SET Ordering=Ordering+1 WHERE Ordering>=@Ordering--向后移动插入位置后面的所有节点
  END
 INSERT INTO Product_Category(Id,Parent_Id,cn_Name,en_name,Depth,Ordering) VALUES (@Id,@Parent_Id,@cn_Name,@en_name,@Depth,@Ordering)
 IF @@ERROR<>0
  SET @ERR=-1
 theEnd:
 IF @ERR=0
  BEGIN
  COMMIT TRAN
  RETURN 0
  END
 ELSE
  BEGIN
  ROLLBACK TRAN
  RETURN @ERR
  END
END