作者：未知 来源：月光软件站 加入时间：2005-2-28　月光软件站

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
namespace DLLCrystal
{
 /// <summary>
 /// frmCrystalView 的摘要说明。
 /// </summary>
 internal class frmCrystalView : System.Windows.Forms.Form
 {
  private CrystalDecisions.Windows.Forms.CrystalReportViewer crView;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;
  private string[] strInfo;

  public frmCrystalView(string[] strInfomation)
  {
   //
   // Windows 窗体设计器支持所必需的
   //
   InitializeComponent();

   //
   // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
   //
   strInfo=strInfomation;
  }

  /// <summary>
  /// 清理所有正在使用的资源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if(components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows 窗体设计器生成的代码
  /// <summary>
  /// 设计器支持所需的方法 - 不要使用代码编辑器修改
  /// 此方法的内容。
  /// </summary>
  private void InitializeComponent()
  {
   this.crView = new CrystalDecisions.Windows.Forms.CrystalReportViewer();
   this.SuspendLayout();
   //
   // crView
   //
   this.crView.ActiveViewIndex = -1;
   this.crView.Dock = System.Windows.Forms.DockStyle.Fill;
   this.crView.Location = new System.Drawing.Point(0, 0);
   this.crView.Name = "crView";
   this.crView.ReportSource = null;
   this.crView.ShowRefreshButton = false;
   this.crView.Size = new System.Drawing.Size(640, 509);
   this.crView.TabIndex = 0;
   //
   // frmCrystalView
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClientSize = new System.Drawing.Size(640, 509);
   this.Controls.Add(this.crView);
   this.Name = "frmCrystalView";
   this.Text = "预览报表";
   this.Load += new System.EventHandler(this.frmCrystalView_Load);
   this.ResumeLayout(false);

  }
  #endregion

  private void frmCrystalView_Load(object sender, System.EventArgs e)
  {
   ReportDocument rdView=new ReportDocument();
   rdView.Load(@strInfo[0]);
   foreach (Table tbView in rdView.Database.Tables)
   { 
    TableLogOnInfo tliView=new TableLogOnInfo();
    tliView=tbView.LogOnInfo;
    tliView.ConnectionInfo.ServerName=strInfo[1];
    tliView.ConnectionInfo.DatabaseName=strInfo[2];
    tliView.ConnectionInfo.UserID=strInfo[3];
    tliView.ConnectionInfo.Password=strInfo[4];
    tbView.ApplyLogOnInfo(tliView);
   }

   string [] strParameter=strInfo[5].Split(new char[] {'+'});
   for (int i=0;i<strParameter.Length;i++)
   {
    string [] strSubParam=strParameter[i].Split(new char[] {'='});
    ParameterValues pvValue=new ParameterValues();
    ParameterDiscreteValue pdvValue=new ParameterDiscreteValue();
    pdvValue.Value=strSubParam[1];
    pvValue.Add(pdvValue);
    rdView.DataDefinition.ParameterFields[strSubParam[0]].ApplyCurrentValues(pvValue);
   }
   crView.ReportSource=rdView;
   this.Location = new Point(0, 0);
   this.Size = new System.Drawing.Size(1024,744);
  }
 }
}

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