PageHelper.cs类源码-Page命名空间-代码大全-开发者工具网

1-HttpHelper
- HttpCookieHelper.cs
- HttpHelper.cs
2-数据库
- DbHelperMySQL.cs
- DbHelperOleDb.cs
- DbHelperOra.cs
- DbHelperSQL.cs
- DbHelperSQLite.cs
- DbHelperSQLP.cs
- OracleHelper.cs
- SQLHelper.cs
3-百度相关组件
- BaiduMapHelper.cs
BarCode
- BarCodeToHTML.cs
Chart
- Assistant.cs
- OWCChart11.cs
Config
- ConfigHelper-sufei.cs
- ConfigHelper.cs
Control
- BindDataControl.cs
Convert
- ConvertHelper.cs
- StringPlus.cs
Cookie_Session_Cache
- CacheHelper.cs
- CookieHelper.cs
- DataCache.cs
- SessionHelper.cs
- SessionHelper2.cs
CSV
- CsvHelper.cs
Date
- CNDate.cs
DEncrypt
- DEncrypt.cs
- DESEncrypt.cs
- Encrypt.cs
- HashEncode.cs
- MySecurity.cs
- RSACryption.cs
Download_Up
- DownLoadHelper.cs
- FileDown.cs
- FileUp.cs
- UpLoadFiles.cs
Encoding
- FileEncoding.cs
Excel
- DataToExcel.cs
- ExcelHelper.cs
- ExportExcel.cs
- GridViewExport.cs
File
- DirFileHelper.cs
- FileOperateHelper.cs
- INIFileHelper.cs
FormatDate
- TimeHelper.cs
FTP
- FTPClient.cs
- FTPHelper.cs
- FTPOperater.cs
GridView
- GridViewHelper.cs
Image
- ImageClass.cs
- ImageDown.cs
- ImageUpload.cs
- PicDeal.cs
Input
- InputHelper.cs
Internet_Url
- AdslHelper.cs
- IpHelper.cs
- NetHelper.cs
- UrlOper.cs
IP
- IPHelper.cs
JS
- ExeJsHelper.cs
- JsHelper.cs
JsAlert
- MessageBox.cs
- ShowMessage.cs
Json
- ConvertJson.cs
- JsonHelper.cs
- SerializerJsonHelper.cs
Mail
- ConnectCommand.cs
- ConnectResponse.cs
- DeleCommand.cs
- ListCommand.cs
- ListResponse.cs
- MailHeaders.cs
- MailHelper.cs
- MailMessageEx.cs
- MailPoper.cs
- MailSender.cs
- NoopCommand.cs
- PassCommand.cs
- Pop3Client.cs
- Pop3Command.cs
- Pop3Commands.cs
- Pop3Exception.cs
- Pop3ListItem.cs
- Pop3Response.cs
- Pop3Responses.cs
- Pop3State.cs
- QuitCommand.cs
- RetrCommand.cs
- RetrResponse.cs
- RsetCommand.cs
- SmtpServerHelper.cs
- Stat.cs
- StatCommand.cs
- StatResponse.cs
- TopCommand.cs
- UserCommand.cs
Mime
- MediaTypes.cs
- MimeEntity.cs
- MimeHeaders.cs
- MimeReader.cs
- QuotedPrintableEncoding.cs
Page
- BasePage.cs
- HTMLHelper.cs
- HttpProc.cs
- JavaScriptPlus.cs
- PageHelper.cs
- Utility.cs
- WebSitePathHelper.cs
PinYin
- EcanConvertToCh.cs
- PinYin.cs
Properties
- AssemblyInfo.cs
Random
- BaseRandom.cs
- RandomHelper.cs
Regex
- RegexHelper.cs
ResourceManager
- AppMessage.cs
- ResourceManager.cs
- ResourceManagerWrapper.cs
- Resources.cs
Rmb
- RMB.cs
SegList
- SegList.cs
seo
- SeoHelper.cs
Serialize
- Serialize.cs
- SerializeHelper.cs
Sound
- MediaHandler.cs
Sqlhelper
- SqlHelper.cs
String
- QueryString.cs
- StringHelper.cs
System
- SysHelper.cs
Validate_Tool
- FormulaExpress.cs
- PageValidate.cs
- Tools.cs
- ValidateImg.cs
Video
- VideoConvert.cs
Web
- FilterHelper.cs
- WebHelper.cs
XML
- XmlHelper.cs
- XMLProcess.cs
Yzm
- YZMHelper.cs
Zip
- SharpZip.cs
百度相关组件
- BaiduMapHelper.cs
系统Api
- API.cs
- Mac.cs
- ResourcesApi.cs
- Win32Private.cs
- Win32Public.cs

你现在查看的是PageHelper.cs类的源码

/// <summary>
/// 类说明：Assistant
/// 编 码 人：苏飞
/// 联系方式：361983679  
/// 更新网站：http://www.sufeinet.com/thread-655-1-1.html
/// </summary>
using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace DotNet.Utilities
{
    public class PageHelper
    {
        #region 控件状态设置

/// <summary>
        /// 锁定页面上的一些组件
        /// </summary>
        /// <param name="page"></param>
        /// <param name="obj">不需锁定的控件</param>
        public static void LockPage(Page page, object[] obj)
        {
            Control htmlForm = null;
            foreach (Control ctl in page.Controls)
            {
                if (ctl is HtmlForm)
                {
                    htmlForm = ctl;
                    break;
                }
            }
            //foreach (Control ctl in page.Controls[1].Controls)
            foreach (Control ctl in htmlForm.Controls)
            {
                if (IsContains(obj, ctl) == false)
                {
                    //锁定
                    LockControl(page, ctl);
                }
                else
                {
                    //解除锁定
                    UnLockControl(page, ctl);
                }
            }
        }

/// <summary>
        /// 解除锁定页面上的一些组件
        /// </summary>
        /// <param name="page"></param>
        /// <param name="obj">继续保持锁定的控件</param>
        public static void UnLockPage(Page page, object[] obj)
        {
            Control htmlForm = null;
            foreach (Control ctl in page.Controls)
            {
                if (ctl is HtmlForm)
                {
                    htmlForm = ctl;
                    break;
                }
            }
            //foreach (Control ctl in page.Controls[1].Controls)
            foreach (Control ctl in htmlForm.Controls)
            {
                if (IsContains(obj, ctl) == false)
                {
                    //解除锁定
                    UnLockControl(page, ctl);
                }
                else
                {
                    //锁定
                    LockControl(page, ctl);
                }
            }
        }

/// <summary>
        /// 禁用控件
        /// </summary>
        /// <param name="page"></param>
        /// <param name="ctl"></param>
        private static void LockControl(Page page, Control ctl)
        {
            //WebControl
            if (ctl is Button || ctl is CheckBox || ctl is HyperLink || ctl is LinkButton
                || ctl is ListControl || ctl is TextBox)
            {
                ((WebControl)ctl).Enabled = false;

#region 多行文本框不能禁用，应设为只读，不然滚动条不能使用

if (ctl is TextBox)
                {
                    if (((TextBox)ctl).TextMode == TextBoxMode.MultiLine)
                    {
                        ((TextBox)ctl).Enabled = true;
                        ((TextBox)ctl).ReadOnly = true;
                    }
                }

#endregion

#region 时间控件禁用时不显示图片

#endregion
            }

//HtmlControl
            if (ctl is HtmlInputFile)
            {
                ((HtmlInputFile)ctl).Disabled = true;
            }
        }

/// <summary>
        /// 开放控件
        /// </summary>
        /// <param name="page"></param>
        /// <param name="ctl"></param>
        private static void UnLockControl(Page page, Control ctl)
        {
            //WebControl
            if (ctl is Button || ctl is CheckBox || ctl is HyperLink || ctl is LinkButton
                || ctl is ListControl || ctl is TextBox)
            {
                ((WebControl)ctl).Enabled = true;

//文本框去掉只读属性
                if (ctl is TextBox)
                {
                    ((TextBox)ctl).ReadOnly = false;
                }

////时间输入文本框不禁用时显示按钮
                //if (ctl is WebDateTimeEdit)
                //{
                //    ((WebDateTimeEdit)ctl).SpinButtons.Display = ButtonDisplay.OnRight;
                //}

////时间选择文本框不禁用时显示按钮
                //if (ctl is WebDateChooser)
                //{
                //    page.ClientScript.RegisterStartupScript(typeof(string), "Display" + ctl.ClientID + "Image", "<script language=javascript>" +
                //        "document.getElementById('" + ctl.ClientID + "_img" + "').style.display='';</script>");
                //}
            }

//HtmlControl
            if (ctl is HtmlInputFile)
            {
                ((HtmlInputFile)ctl).Disabled = false;
            }
        }

/// <summary>
        /// 数组中是否包含当前控件
        /// </summary>
        /// <param name="obj"></param>
        /// <param name="ctl"></param>
        /// <returns></returns>
        private static bool IsContains(object[] obj, Control ctl)
        {
            foreach (Control c in obj)
            {
                if (c.ID == ctl.ID)
                {
                    return true;
                }
            }
            return false;
        }

#endregion

#region 页面处理其它辅助方法

/// <summary>
        /// 得到当前页对象实例
        /// </summary>
        /// <returns></returns>
        public static Page GetCurrentPage()
        {
            return (Page)HttpContext.Current.Handler;
        }

/// <summary>
        /// 从System.Web.HttpRequest的Url中获取所调用的页面名称
        /// </summary>
        /// <returns>页面名称</returns>
        public static string GetPageName()
        {
            int start = 0;
            int end = 0;
            string Url = HttpContext.Current.Request.RawUrl;
            start = Url.LastIndexOf("/") + 1;
            end = Url.IndexOf("?");
            if (end <= 0)
            {
                return Url.Substring(start, Url.Length - start);
            }
            else
            {
                return Url.Substring(start, end - start);
            }
        }

/// <summary>
        /// 读取QueryString值
        /// </summary>
        /// <param name="queryStringName">QueryString名称</param>
        /// <returns>QueryString值</returns>
        public static string GetQueryString(string queryStringName)
        {
            if ((HttpContext.Current.Request.QueryString[queryStringName] != null) &&
                (HttpContext.Current.Request.QueryString[queryStringName] != "undefined"))
            {
                return HttpContext.Current.Request.QueryString[queryStringName].Trim();
            }
            else
            {
                return "";
            }
        }

/// <summary>
        /// 页面跳转
        /// </summary>
        /// <param name="url">URL地址</param>
        public void Redirect(string url)
        {
            Page page = GetCurrentPage();
            page.Response.Redirect(url);
        }

/// <summary>
        /// 获取当前请求页面相对于根目录的层级
        /// </summary>
        /// <returns></returns>
        public static string GetRelativeLevel()
        {
            string ApplicationPath = HttpContext.Current.Request.ApplicationPath;
            if (ApplicationPath.Trim() == "/")
            {
                ApplicationPath = "";
            }

int i = ApplicationPath == "" ? 1 : 2;
            return "";//Nandasoft.Helper.NDHelperString.Repeat("../", Nandasoft.Helper.NDHelperString.RepeatTime(HttpContext.Current.Request.Path, "/") - i);
        }

/// <summary>
        /// 写javascript脚本
        /// </summary>
        /// <param name="script">脚本内容</param>
        public static void WriteScript(string script)
        {
            Page page = GetCurrentPage();

// NDGridViewScriptFirst(page.Form.Controls, page);

//ScriptManager.RegisterStartupScript(page, page.GetType(), System.Guid.NewGuid().ToString(), script, true);

}

//private void NDGridViewScriptFirst(ControlCollection ctls, Page page)
        //{

//    foreach (Control ctl in ctls)
        //    {
        //        if (ctl is NDGridView)
        //        {
        //            NDGridView ndgv = (NDGridView)ctl;
        //            ScriptManager.RegisterStartupScript(page, page.GetType(), ndgv.ClientScriptKey, ndgv.ClientScriptName, true);
        //        }
        //        else
        //        {
        //            NDGridViewScriptFirst(ctl.Controls, page);
        //        }
        //    }
        //}

/// <summary>
        /// 返回客户端浏览器版本
        /// 如果是IE类型，返回版本数字
        /// 如果不是IE类型，返回-1
        /// </summary>
        /// <returns>一位数字版本号</returns>
        public static int GetClientBrowserVersion()
        {
            string USER_AGENT = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_USER_AGENT"];

if (USER_AGENT.IndexOf("MSIE") < 0) return -1;

string version = USER_AGENT.Substring(USER_AGENT.IndexOf("MSIE") + 5, 1);
            if (!Utility.IsInt(version)) return -1;

return Convert.ToInt32(version);
        }

#endregion
    }
}