App_Code/Tool.cs

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using System.Collections.Generic;
using System.Web;
using System.IO;
using System.Text;
using System.Data;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System;

/// <summary>
/// 常用操作工具类     
/// <para>作者：黄江</para>
/// <para>日期：2009-09－01</para>
/// </summary>
public class Tool
{
    /// <summary>
    /// Constractor
    /// </summary>
	public Tool()
	{
		//
		// TODO: 在此处添加构造函数逻辑
		//
    }
    #region 字符串判断
    /// <summary>
    /// 判断字符串是否能转换为DataTime
    /// </summary>
    /// <param name="datestring">待判断的字符串</param>
    /// <returns>返回bool类型结果</returns>
    public static bool IsDateTimeFormat(string datestring)
    {
        try
        {
            DateTime.Parse(datestring);
            return true;
        }
        catch
        {
            return false;
        }
    }
    #endregion 字符串判断


    #region 数据导出
    /// <summary>
    /// 将GridView数据导出到Word
    /// </summary>
    /// <param name="grd">GridView</param>
    /// <param name="fileName">导出的文件名</param>
    /// <param name="start">GridView起始列</param>
    /// <param name="end">GridView结束列</param>
    /// <param name="httpResponse">HttpResponse对象</param>
    public static void ExportToWord(GridView grd, string fileName, int start, int end, HttpResponse httpResponse)
    {