Example #1
0
        public override int BindDataTableManager(IDataTableManager dtm, string bindPath)
        {
            IReportExpressionEngine expEngin = (this as IBindReportExpressionEngine).ExpressionEngine;
            bool newFlag = false;

            // 计算显示值
            if (null == expEngin)
            {
                expEngin = (this as IBindReportExpressionEngine).ExpressionEngine = new ReportExpressionEngine();
                newFlag  = true;
            }
            object obj = null;

            if (!string.IsNullOrEmpty(Expression) && Expression.Trim().StartsWith("="))
            {
                // 启用表达式
                obj = expEngin.Execute(Expression.Trim().TrimStart("=".ToCharArray()), dtm, bindPath);
            }
            else if (!string.IsNullOrEmpty(DbField))
            {
                // 替换显示
                obj = expEngin.ExcuteBindObj(DbField, dtm, bindPath);
                if (null == obj)
                {
                    obj = expEngin.ExcuteBindText(DbField, dtm, bindPath);
                }
            }
            if (null != obj)
            {
                if (obj is byte[])
                {
                    obj = GetImageBytesFromOLEField(obj as byte[]);
                    // 二进制图片数据
                    RealText = Convert.ToBase64String(obj as byte[]);
                }
                else if (obj is string)
                {
                    string path = obj.ToString();
                    if (File.Exists(path))
                    {
                        try
                        {
                            Image = System.Drawing.Image.FromFile(path);
                        }
                        catch (System.Exception ex)
                        {
                            Image = null;
                        }
                    }
                }
            }

            if (newFlag)
            {
                expEngin.Dispose();
            }
            return(0);
        }
Example #2
0
        public override int BindDataTableManager(IDataTableManager dtm, string bindPath)
        {
            IReportExpressionEngine expEngin = (this as IBindReportExpressionEngine).ExpressionEngine;
            bool newFlag = false;

            // 计算显示值
            if (null == expEngin)
            {
                expEngin = (this as IBindReportExpressionEngine).ExpressionEngine = new ReportExpressionEngine();
                newFlag  = true;
            }
            RealText = expEngin.Execute(Expression, Text, dtm, this as IPMSFormate, this as IDataMapping, bindPath);
            //object oValue = null;
            //if (!string.IsNullOrEmpty(Expression) && Expression.StartsWith("="))
            //{
            //    // 启用表达式
            //    oValue = expEngin.Excute(Expression.TrimStart("=".ToCharArray()), dtm, bindPath);
            //}
            //else if (!string.IsNullOrEmpty(Text))
            //{
            //    // 替换显示
            //    oValue = expEngin.ExcuteBindText(Text, dtm, bindPath);
            //}
            //// format
            //if (null != oValue)
            //{
            //    RealText = oValue.ToString();
            //    if (!string.IsNullOrEmpty(StrFormate))
            //    {
            //        RealText = FormateToString(oValue);
            //    }
            //}
            ////mapping
            //if (EnableMapping)
            //{
            //    string result = GetMapValue(RealText);
            //    if (null != result)
            //    {
            //        RealText = result;
            //    }
            //}
            if (newFlag)
            {
                expEngin.Dispose();
            }
            return(0);
        }
Example #3
0
        /// <summary>
        /// 根据表达式计算出实际值
        /// </summary>
        /// <param name="expression">表达式</param>
        /// <param name="text">Text</param>
        /// <param name="dtm">数据源</param>
        /// <param name="bindPath">绑定路径</param>
        /// <returns>计算后的实际值</returns>
        public string ExpressionExecute(string expression, string text, IDataTableManager dtm, string bindPath)
        {
            IReportExpressionEngine expEngin = (this as IBindReportExpressionEngine).ExpressionEngine;
            bool newFlag = false;

            if (null == expEngin)
            {
                expEngin = (this as IBindReportExpressionEngine).ExpressionEngine = new ReportExpressionEngine();
                newFlag  = true;
            }
            string RealText = expEngin.Execute(expression, text, dtm, this as PMS.Libraries.ToolControls.Report.IPMSFormate, this as IDataMapping, bindPath);

            if (newFlag)
            {
                expEngin.Dispose();
            }
            return(RealText);
        }
Example #4
0
        public override int BindDataTableManager(IDataTableManager dtm, string bindPath)
        {
            IReportExpressionEngine expEngin = (this as IBindReportExpressionEngine).ExpressionEngine;
            bool newFlag = false;

            // 计算显示值
            if (null == expEngin)
            {
                expEngin = (this as IBindReportExpressionEngine).ExpressionEngine = new ReportExpressionEngine();
                newFlag  = true;
            }
            RealText = expEngin.Execute(Expression, Text, dtm, this as IPMSFormate, this as IDataMapping, bindPath);
            if (newFlag)
            {
                expEngin.Dispose();
            }
            return(0);
        }