Examples of WinForm using Crystal Reports

Crystal Report///form File
Namespace Simpleapp
{
Using System;
Using System.Drawing;
Using System.Collections;
Using System.ComponentModel;
Using System.WinForms;
Using System.Data;

public class SimpleForm:System.WinForms.Form
{
Private System.ComponentModel.Container components;
Private System.WinForms.Button Btnselectreport;
Private SeagateSoftware.WinForms.CrystalReportViewer CrystalReportViewer1;

Public Simpleform ()
{
//
Required for Win Form Designer support
//
InitializeComponent ();
Enableviewer (FALSE);
}

public override void Dispose ()
{
Base. Dispose ();
Components. Dispose ();
}

private void InitializeComponent ()
{
this.components = new System.ComponentModel.Container ();
This.crystalreportviewer1 = new SeagateSoftware.WinForms.CrystalReportViewer ();
This.btnselectreport = new System.WinForms.Button ();

This. AutoScaleBaseSize = new System.Drawing.Size (5, 13);
This. Text = "Viewing a Crystal";
This. StartPosition = System.WinForms.FormStartPosition.CenterScreen;
@design this. TrayLargeIcon = false;
@design this. trayheight = 0;
This. ClientSize = new System.Drawing.Size (664, 509);

Crystalreportviewer1.location = new System.Drawing.Point (8, 40);
Crystalreportviewer1.size = new System.Drawing.Size (648, 464);
Crystalreportviewer1.activeviewindex =-1;
Crystalreportviewer1.selectionformula = "";
Crystalreportviewer1.displaytoolbar = true;
Crystalreportviewer1.displaygrouptree = true;
Crystalreportviewer1.tabindex = 2;
Crystalreportviewer1.anchor = System.WinForms.AnchorStyles.All;
Crystalreportviewer1.displaybackgroundedge = false;

Btnselectreport.location = new System.Drawing.Point (8, 8);
Btnselectreport.size = new System.Drawing.Size (96, 24);
Btnselectreport.tabindex = 1;
Btnselectreport.font = new System.Drawing.Font ("Arial", 8f, System.Drawing.FontStyle.Bold);
Btnselectreport.text = "Select the";
Btnselectreport.click + = new System.EventHandler (Btnselectreport_click);

This. Controls.Add (Btnselectreport);
This. Controls.Add (CrystalReportViewer1);

}
protected void Btnselectreport_click (object sender, System.EventArgs e)
{
Get a RPT file to display in the Crystal the viewer
OpenFileDialog Openfiledlg = new OpenFileDialog ();
Openfiledlg.initialdirectory = Utils.getsamplereportsdir ();
Openfiledlg.filter = "Crystal Reports (*.rpt) |*.rpt| All Files (*.*) |*.* ";
if (openfiledlg.showdialog () = = DialogResult.OK)
{
Set the ReportName property
Crystalreportviewer1.reportname = Openfiledlg.filename;
Enableviewer (TRUE);
}
}

This function enables and disables the Crystal Reports Win Form Viewer
private void Enableviewer (bool show)
{
SeagateSoftware.WinForms.ToolbarStateChangeEvent evt = new SeagateSoftware.WinForms.ToolbarStateChangeEvent (show);
CrystalReportViewer1.Toolbar.OnStateChange (this, evt);
}
/*
* The main entry point for the application.
*
*/
public static void Main (string[] args)
{
Application.Run (New Simpleform ());
}
}
}

Util.cs
Namespace Simpleapp
{
Using System;
Using Microsoft.Win32;

<summary>
Summary description for Utils.
</summary>
public class Utils
{
public static string Getsamplereportsdir ()
{
Get the path VS. Is installed to
RegistryKey RegKey = registry.localmachine;
RegKey = Regkey.opensubkey ("Software\\microsoft\\visualstudio\\7.0\\setup\\vs");
String dir = Regkey.getvalue ("Productdir"). ToString ();
dir = = "Crystal reports\\samples\\reports\\";
return dir;
}
}
}