一個調用Report Services報表的類

public class ReportOperation
    {
        private Page objPage;
        public ReportOperation(Page Page1)
        {
            this.objPage = Page1;
        }

        public string ms_ReportServer
        {
            get{return System.Configuration.ConfigurationSettings.AppSettings["ReportServer"];}
        }
       public void OpenReport(string s_aReportId, string s_aParameter)
       {
           string s_JS = "<script language='javascript'>" +
                       "var o_Win=window.open('" + GetReportURL(s_aReportId, s_aParameter) + "'" +
                       ",'','location=no,status=no,toolbar=no,width=700,height=600,top=50,left=50');</script>";
           objPage.RegisterStartupScript("0001", s_JS); //開啟報表

       }

        public string GetReportURL(string s_aReportId, string s_aParameter)
        {
            if (s_aReportId == "") return string.Empty;
            // &rc:標示報表監視器參數
            // Parameters=false 隱藏報表參數列
            // Toolbar=true 顯示工具列
            // Command=Render 呈現報表
            // ClearSession=true
            // Stylesheet=hr_htmlviewer 指定要应用于 HTML 查看器的样式表
            string s_ReportUrl = this.ms_ReportServer + "?/" + s_aReportId
                + "&rc:Parameters=false&rc:Toolbar=true&rc:Command=Render&rc:ClearSession=true"
                + "&rc:Stylesheet=hr_htmlviewer" + EncodeParams(s_aParameter); //開啟新視窗的路徑
            return s_ReportUrl;
        }

        private string EncodeParams(string s_aParams)
        {

            if (s_aParams == "") return "";
            if (s_aParams.Length > 0 && s_aParams.IndexOf("=") == -1)
                throw new Exception("報表參數格式錯誤.正確格式:參數名=參數值&參數名=參數值");

            s_aParams = s_aParams.Replace("'", ""); //去掉特殊字符.否則開啟報表時會出錯.20050326 Modify

            if (s_aParams.Length > 0 && s_aParams.IndexOf("&") == 0)
                s_aParams = s_aParams.Substring(1);

            string s_Params = string.Empty;

            string[] arr_Param = s_aParams.Split(new char[] { '&', '=' });
            for (int i_Len = 0; i_Len < arr_Param.Length; i_Len++)
            {
                if ((i_Len + 1) % 2 == 0)
                {
                    s_Params += "=" + this.objPage.Server.UrlEncode(this.objPage.Server.UrlDecode(arr_Param[i_Len]));  //先對字符進行解碼,再編碼.以防止參數已經編碼的情況
                }
                else
                    s_Params += "&" + arr_Param[i_Len];
            }
            return s_Params;
        }
    }

posted on 2006-06-19 16:55  freeliver54  阅读(437)  评论(1编辑  收藏  举报

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