department.cs

来自「《精通ASP.NET2.0网络应用系统开发》书中的源码」· CS 代码 · 共 147 行

using System;
using System.Data;
using SQLHelper;
using System.Data.SqlClient;

namespace OfficeAutomatization
{
	/// <summary>
	/// Department 的摘要说明。
	/// </summary>
	public class Department
	{
		public SqlDataReader GetDepartments()
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///定义保存从数据库获取的结果的DataReader
			SqlDataReader dr = null;

			try
			{
				///执行存储过程
				sqlHelper.RunProc("Pr_GetDepartments",out dr);
			}
			catch(Exception ex)
			{
				///抛出执行数据库异常
				SystemError.CreateErrorLog(ex.Message);
				throw new Exception(ex.Message,ex);
			}			

			///返回从数据库获取的结果
			return(dr);
		}

		public SqlDataReader GetSingleDepartment(int nDepartmentID)
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///定义保存从数据库获取的结果的DataReader
			SqlDataReader dr = null;

			///创建访问数据库的参数			
			SqlParameter[] paramList = {
				sqlHelper.CreateInParam("@DepartmentID",SqlDbType.Int,4,nDepartmentID)
			};
			
			try
			{
				///执行存储过程
				sqlHelper.RunProc("Pr_GetSingleDepartment",paramList,out dr);
			}
			catch(Exception ex)
			{
				///抛出执行数据库异常
				SystemError.CreateErrorLog(ex.Message);
				throw new Exception(ex.Message,ex);
			}			

			///返回从数据库获取的结果
			return(dr);
		}

		public int AddDepartment(string sName,string sDesn,string sPhone,
			int nParentID,string sRemark)
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///创建访问数据库的参数			
			SqlParameter[] paramList = {				
				sqlHelper.CreateInParam("@Name",SqlDbType.VarChar,200,sName),
				sqlHelper.CreateInParam("@Desn",SqlDbType.VarChar,8000,sDesn),
				sqlHelper.CreateInParam("@Phone",SqlDbType.VarChar,200,sPhone),
				sqlHelper.CreateInParam("@ParentID",SqlDbType.Int,4,nParentID),
				sqlHelper.CreateInParam("@Remark",SqlDbType.VarChar,8000,sRemark)
			};
			
			try
			{
				///执行存储过程
				return(sqlHelper.RunProc("Pr_AddDepartment",paramList));
			}
			catch(Exception ex)
			{
				///抛出执行数据库异常
				SystemError.CreateErrorLog(ex.Message);
				throw new Exception(ex.Message,ex);
			}			
		}

		public void UpdateDepartment(int nDepartmentID, string sName, string sDesn, string sPhone,
			int nParentID, string sRemark)
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///创建访问数据库的参数			
			SqlParameter[] paramList = {
				sqlHelper.CreateInParam("@DepartmentID",SqlDbType.Int,4,nDepartmentID),
				sqlHelper.CreateInParam("@Name",SqlDbType.VarChar,200,sName),
				sqlHelper.CreateInParam("@Desn",SqlDbType.VarChar,8000,sDesn),
				sqlHelper.CreateInParam("@Phone",SqlDbType.VarChar,200,sPhone),
				sqlHelper.CreateInParam("@ParentID",SqlDbType.Int,4,nParentID),
				sqlHelper.CreateInParam("@Remark",SqlDbType.VarChar,8000,sRemark)
			};
			
			try
			{
				///执行存储过程
				sqlHelper.RunProc("Pr_UpdateDepartment",paramList);
			}
			catch(Exception ex)
			{
				///抛出执行数据库异常
				SystemError.CreateErrorLog(ex.Message);
				throw new Exception(ex.Message,ex);
			}			
		}

		public void DeleteDepartment(int nDepartmentID)
		{
			///定义类SQLHelper
			SQLHelper.SQLHelper sqlHelper = new SQLHelper.SQLHelper();

			///创建访问数据库的参数			
			SqlParameter[] paramList = {
				sqlHelper.CreateInParam("@DepartmentID",SqlDbType.Int,4,nDepartmentID)
			};
			
			try
			{
				///执行存储过程
				sqlHelper.RunProc("Pr_DeleteDepartment",paramList);
			}
			catch(Exception ex)
			{
				///抛出执行数据库异常
				SystemError.CreateErrorLog(ex.Message);
				throw new Exception(ex.Message,ex);
			}			
		}
	}
}