报表显示基类文件

    public class CryReportBasePage : System.Web.UI.Page
    {
        /// <summary>
        /// 报表文档
        /// </summary>
        protected ReportDocument myReport;

        public static string ReportDocBasePath = ConfigurationManager.AppSettings["ReportDocBasePath"].ToString();

        protected void Page_Unload(object sender, EventArgs e)
        {
            if (myReport != null)
            {
                myReport.Dispose();
            }
        }

        /// <summary>
        /// 参数值
        /// </summary>
        protected Dictionary<string, string> DicParValue = new Dictionary<string, string>();

        /// <summary>
        /// 公示字段值
        /// </summary>
        protected ArrayList FormularFieldsValues = new ArrayList();

        /// <summary>
        /// 网站物理地址
        /// </summary>
        protected string WebPath = HttpContext.Current.Request.PhysicalApplicationPath;

        /// <summary>
        /// 报表文件地址
        /// </summary>
        protected string ReportFilePath = string.Empty;

        /// <summary>
        /// 根据参数显示报表
        /// </summary>
        /// <param name="formularFieldsValue"></param>
        /// <param name="dicValue"></param>
        /// <param name="reportData"></param>
        /// <param name="reportFile"></param>
        /// <param name="reportView"></param>
        public void ShowReport(string[] formularFieldsValue, Dictionary<string, string> dicValue, DataTable reportData, string reportFile, CrystalReportViewer reportView)
        {
            reportView.HasCrystalLogo = false;

            //使用报表对象加载报表
            myReport = new ReportDocument();
            myReport.Load(reportFile);

            DataDefinition dataDefinition = myReport.DataDefinition;
            //获取数据对象中的公式字段集合
            string[] Text4formularFields = formularFieldsValue;
            FormulaFieldDefinitions formularFields = dataDefinition.FormulaFields;
            for (int i = 0; i < formularFieldsValue.Length; i++)
            {
                formularFields[i].Text = formularFieldsValue[i];
            }

            myReport.SetDataSource(reportData);
            reportView.ParameterFieldInfo = GetParameterFields(dicValue);
            reportView.ReportSource = myReport;
        }

        /// <summary>
        /// 根据参数显示报表
        /// </summary>
        /// <param name="formularFieldsValue"></param>
        /// <param name="dicValue"></param>
        /// <param name="reportData"></param>
        /// <param name="reportFile"></param>
        /// <param name="reportView"></param>
        public void ShowReport(ArrayList formularFieldsValue, Dictionary<string, string> dicValue, DataTable reportData, string reportFile, CrystalReportViewer reportView)
        {
            reportView.HasCrystalLogo = false;
            //使用报表对象加载报表

            myReport = new ReportDocument();
            myReport.Load(reportFile);

            DataDefinition dataDefinition = myReport.DataDefinition;
            //获取数据对象中的公式字段集合
           
            FormulaFieldDefinitions formularFields = dataDefinition.FormulaFields;
            for (int i = 0; i < formularFieldsValue.Count; i++)
            {
                formularFields[i].Text = Convert.ToString(formularFieldsValue[i]);
            }

            myReport.SetDataSource(reportData);
            reportView.ParameterFieldInfo = GetParameterFields(dicValue);
            reportView.ReportSource = myReport;
            reportView.ToolPanelView = CrystalDecisions.Web.ToolPanelViewType.None;
        }

        /// <summary>
        /// 根据参数显示报表
        /// </summary>
        /// <param name="formularFieldsValue"></param>
        /// <param name="dicValue"></param>
        /// <param name="reportData"></param>
        /// <param name="reportFile"></param>
        /// <param name="reportView"></param>
        public void ShowReport(ArrayList formularFieldsValue, Dictionary<string, string> dicValue, DataTable reportData, CrystalReportViewer reportView)
        {
            reportView.HasCrystalLogo = false;

            //使用报表对象加载报表
            myReport = new ReportDocument();
            myReport.Load(this.ReportFilePath);

            DataDefinition dataDefinition = myReport.DataDefinition;
            //获取数据对象中的公式字段集合

            FormulaFieldDefinitions formularFields = dataDefinition.FormulaFields;
            for (int i = 0; i < formularFieldsValue.Count; i++)
            {
                formularFields[i].Text = Convert.ToString(formularFieldsValue[i]);
            }

            myReport.SetDataSource(reportData);
            reportView.ParameterFieldInfo = GetParameterFields(dicValue);
            reportView.ReportSource = myReport;
            reportView.ToolPanelView = CrystalDecisions.Web.ToolPanelViewType.None;
        }

        /// <summary>
        /// 得到报表参数数据结构
        /// </summary>
        /// <param name="dicValue"></param>
        /// <returns></returns>
        protected ParameterFields GetParameterFields(Dictionary<string, string> dicValue)
        {
            ParameterFields fields = new ParameterFields();

            foreach (string key in dicValue.Keys)
            {
                fields.Add(this.CreateParameterField(key, dicValue[key]));
            }
            return fields;
        }

        /// <summary>
        /// 创建报表参数
        /// </summary>
        /// <param name="FieldName">参数名</param>
        /// <param name="FieldValue">参数值</param>
        /// <returns></returns>
        private ParameterField CreateParameterField(string FieldName, object FieldValue)
        {
            ParameterField field = new ParameterField();
            ParameterDiscreteValue pvalue = new ParameterDiscreteValue();

            pvalue.Value = FieldValue;
            field.Name = FieldName;
            field.CurrentValues.Add(pvalue);
            field.AllowCustomValues = false;

            //返回参数字段
            return field;
        }
        public void HideGroupTree(CrystalReportViewer crystalReportViewer)
        {
            crystalReportViewer.ToolPanelView = CrystalDecisions.Web.ToolPanelViewType.None;

        }
    }