HENGCHENG/WebSqlHelper/HttpHelper.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Web.UI.WebControls;
using System.IO;
using System.Text.RegularExpressions;
using System.Web.UI;

namespace WebSqlHelper
{
    public class HttpHelper
    {
        // Fields
        private static string applicationpath = HttpContext.Current.Request.ApplicationPath;
        public static string ApplicationPath = ((((applicationpath == null) || (applicationpath == "")) || (applicationpath == "/")) ? "/" : (applicationpath + "/").Replace("//", "/"));

        // Methods
        public static void BindDropDownList(CheckBoxList drop, object datasource, string text, string value)
        {
            drop.DataSource = datasource;
            drop.DataTextField = text;
            drop.DataValueField = value;
            drop.DataBind();
        }

        public static void BindDropDownList(DropDownList drop, object datasource, string text, string value)
        {
            BindDropDownList(drop, datasource, text, value, 0);
        }

        public static void BindDropDownList(RadioButtonList drop, object datasource, string text, string value)
        {
            drop.DataSource = datasource;
            drop.DataTextField = text;
            drop.DataValueField = value;
            drop.DataBind();
        }

        public static void BindDropDownList(DropDownList drop, object datasource, string text, string value, int flag)
        {
            drop.DataSource = datasource;
            drop.DataTextField = text;
            drop.DataValueField = value;
            drop.DataBind();
            if (flag == 1)
            {
                drop.Items.Insert(0, new ListItem("---请选择---", ""));
            }
        }

        public static void BindDropDownList(DropDownList drop, object datasource, string text, string value, string flag)
        {
            drop.DataSource = datasource;
            drop.DataTextField = text;
            drop.DataValueField = value;
            drop.DataBind();
            if ((flag != null) && (flag != ""))
            {
                drop.Items.Insert(0, new ListItem(flag, ""));
            }
        }

        public static void BindDropDownList(RadioButtonList drop, object datasource, string text, string value, string flag)
        {
            drop.DataSource = datasource;
            drop.DataTextField = text;
            drop.DataValueField = value;
            drop.DataBind();
            if ((flag != null) && (flag != ""))
            {
                drop.Items.Add(new ListItem(flag, ""));
            }
        }

        public static void BindGrid(DataList rep, object datasource)
        {
            rep.DataSource = datasource;
            rep.DataBind();
        }

        public static void BindGrid(GridView rep, object datasource)
        {
            rep.DataSource = datasource;
            rep.DataBind();
        }

        public static void BindGrid(Repeater rep, object datasource)
        {
            rep.DataSource = datasource;
            rep.DataBind();
        }

        public static string BindUrl(string s)
        {
            if (s.IndexOf("?") != -1)
            {
                s = s + "&";
                return s;
            }
            s = s + "?";
            return s;
        }

        public static string BindUrl(string s, string id)
        {
            if (s.IndexOf("moduleid=") == -1)
            {
                if (s.IndexOf("?") != -1)
                {
                    s = s + "&";
                }
                else
                {
                    s = s + "?";
                }
                s = s + "moduleid=" + id;
            }
            return s;
        }

        public static string ComBindUrl(string s)
        {
            if (s.IndexOf("?") != -1)
            {
                s = s + "&";
                return s;
            }
            s = s + "?";
            return s;
        }

        public static string GetModuleFromU(string qparam)
        {
            string str = null;
            if (((qparam == null) || !(qparam != "")) || (qparam.ToLower().IndexOf("moduleid") == -1))
            {
                return str;
            }
            str = qparam.Substring(qparam.ToLower().IndexOf("moduleid"));
            if ((str.IndexOf("&") != -1) && (str.IndexOf("=") != -1))
            {
                int index = str.IndexOf("&");
                int num2 = str.IndexOf("=");
                string oldValue = str.Substring(str.IndexOf("&"));
                return str.TrimStart("moduleid=".ToCharArray()).Replace(oldValue, "");
            }
            return str.TrimStart("moduleid=".ToCharArray());
        }

        public static string GetPic(string s)
        {
            try
            {
                if (File.Exists(HttpContext.Current.Server.MapPath(ApplicationPath + s)))
                {
                    return (ApplicationPath + s).Replace("//", "/");
                }
                return "";
            }
            catch
            {
                return "";
            }
        }

        public static string GetPic(string s, string format)
        {
            try
            {
                if (File.Exists(HttpContext.Current.Server.MapPath(s)))
                {
                    return format.Replace("{0}", s);
                }
                return "";
            }
            catch
            {
                return "";
            }
        }

        public static string GetPic(string s, string nopic, string format)
        {
            try
            {
                if (string.IsNullOrEmpty(nopic))
                {
                    nopic = "images/nopic.jpg";
                }
                string path = HttpContext.Current.Server.MapPath(ApplicationPath + s);
                if (!string.IsNullOrEmpty(format))
                {
                    if (File.Exists(path))
                    {
                        return format.Replace("{0}", ApplicationPath + s);
                    }
                    return format.Replace("{0}", ApplicationPath + nopic);
                }
                if (File.Exists(path))
                {
                    return (ApplicationPath + s);
                }
                return (ApplicationPath + nopic);
            }
            catch
            {
                if (!string.IsNullOrEmpty(format))
                {
                    return format.Replace("{0}", ApplicationPath + nopic);
                }
                return (ApplicationPath + nopic);
            }
        }

        public static string GetTitle(string str, int n)
        {
            if (str.Length > n)
            {
                str = str.Substring(0, n);
            }
            return str;
        }

        public static string parseHtml(string html)
        {
            return Regex.Replace(html, "<[^>]*>", "").Replace("&nbsp;", " ");
        }

        public static bool SelectComBox(DropDownList drop, int value)
        {
            return SelectComBox(drop, value.ToString());
        }

        public static bool SelectComBox(DropDownList drop, string value)
        {
            drop.ClearSelection();
            if (drop.Items.FindByValue(value) != null)
            {
                drop.Items.FindByValue(value).Selected = true;
            }
            else
            {
                return false;
            }
            return true;
        }

        public static bool SelectComBox(RadioButtonList drop, int value)
        {
            return SelectComBox(drop, value.ToString());
        }

        public static bool SelectComBox(RadioButtonList drop, string value)
        {
            drop.ClearSelection();
            if (drop.Items.FindByValue(value) != null)
            {
                drop.Items.FindByValue(value).Selected = true;
            }
            else
            {
                drop.Items[0].Selected = true;
                return false;
            }
            return true;
        }


    }
}