通用水晶报表绑定类[原]
using System;using System.Data;using System.ComponentModel;using System.Collections;using CrystalDecisions.Shared;using CrystalDecisions.Web;using CrystalDecisions.CrystalReports.Engine;namespace Ylgl.Ent.Report
{
/// <summary>
/// BindReport 的摘要说明。
/// </summary> public class BindReport { ReportClass Rept = null; ArrayList al = new ArrayList(); Hashtable _ParameterFields = null; /// <summary> /// 报表中的参数集合 /// </summary> public Hashtable ParameterFields { get { if(_ParameterFields ==null) { _ParameterFields = new Hashtable(); } return _ParameterFields; } set { _ParameterFields = value; } } /// <summary> /// 用于构造当前实例的表明命名空间 /// </summary> /// <param name="NamespaceName"></param> public BindReport(string NamespaceName) { Type type = Type.GetType(NamespaceName,true); Rept = (ReportClass)Activator.CreateInstance(type); } /// <summary> /// 报表绑定方法 /// </summary> /// <param name="DataSource">数据源</param> /// <param name="ReportViewer">报表显示控件</param> public void BindMainReport(IListSource DataSource,CrystalReportViewer ReportViewer) { Rept.SetDataSource(DataSource); //绑定子报表 if(al.Count != 0) { for(int i=0;i<al.Count;i++) { SubReport sr = (SubReport)al[0]; SubreportObject oSubreport1 =(SubreportObject)Rept.ReportDefinition.Sections[sr.Place].ReportObjects[sr.SubObject]; ReportDocument oSub1 = oSubreport1.OpenSubreport(sr.SubPath); oSub1.SetDataSource(sr.DataSource); } } //给参数字段赋值 if(ParameterFields != null) { ParameterFields fs = Rept.ParameterFields; foreach(DictionaryEntry de in ParameterFields) { ParameterField ParameterName = fs[de.Key.ToString()]; ParameterDiscreteValue ParameterValue = new ParameterDiscreteValue(); ParameterValue.Value = de.Value; ParameterName.CurrentValues.Add(ParameterValue); } ReportViewer.ParameterFieldInfo = fs; } ReportViewer.ReportSource=Rept; ReportViewer.DataBind(); } /// <summary> /// 设置添加绑定一个子报表到当前实例中 /// </summary> /// <param name="dt">子报表数据源</param> /// <param name="_SubObject">用于显示子报表的对象名</param> /// <param name="_SubPath">子报表文件路径</param> /// <param name="place">子报表位置索引</param> public void SetSubReport(IListSource dt,string _SubObject,string _SubPath,int place) { SubReport sr = new SubReport(); sr.DataSource = dt; sr.SubObject = _SubObject; sr.SubPath = _SubPath; sr.Place = place; al.Add(sr); }
构造子报表数据类型 }
}
