How to run Dynamic Crystal Report using Crystal Report Viewer in VS.NET 2005

this.cptReports.Name = "cptReports";

this.cptReports.SelectionFormula = "";

this.cptReports.Size = new System.Drawing.Size(717, 367);

this.cptReports.TabIndex = 1;

this.cptReports.ViewTimeSelectionFormula = "";

//

// panel1

//

this.panel1.Controls.Add(this.cptReports);

this.panel1.Location = new System.Drawing.Point(8, 40);

this.panel1.Name = "panel1";

this.panel1.Size = new System.Drawing.Size(724, 383);

this.panel1.TabIndex = 2;

//

// Form1

//

this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);

this.ClientSize = new System.Drawing.Size(744, 422);

this.Controls.Add(this.panel1);

this.Controls.Add(this.CboReport);

this.Name = "Form1";

this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;

this.Text = "Special Reports";

this.WindowState = System.Windows.Forms.FormWindowState.Maximized;

this.Load += new System.EventHandler(this.Form1_Load);

this.panel1.ResumeLayout(false);

this.ResumeLayout(false);

}

#endregion

/// <summary>

/// The main entry point for the application.

/// </summary>

[STAThread]

static void Main()

{

Application.Run(new Form1());

}

private void Form1_Load(object sender, System.EventArgs e)

{

CboReport_Fill();

}

private void CboReport_Fill()

{

//Create a temp table to hold the reports description and path

DataTable dt = new DataTable ();

dt.Columns.Add ("Description", System.Type.GetType("System.String"));

dt.Columns.Add ("Path",System.Type.GetType("System.String"));

//Create the first row of the temp table to tell users what to do

string[] FirstRow = {" -- select a report to view --", "-1"};

dt.Rows.Add (FirstRow);

//Pickup all the crystal reports in the Reports subdirectory of the program

string[] fileList = Directory.GetFiles (Directory.GetCurrentDirectory() + @"\Reports",
"*.rpt");

foreach (string item in fileList)

{

//add all the friendly report names into the temp table

int startPt = item.ToString().LastIndexOf(@"\Reports");

string[] rowData = {item.Substring(startPt + @"\Reports".Length + 1, item.ToString

().Length - (startPt + @"\Reports".Length + 1)),item};

dt.Rows.Add (rowData);

}

//assign the temp table to the combo box

CboReport.DataSource = dt;

CboReport.DisplayMember = "Description";

CboReport.ValueMember = "Path";

}

private void CboReport_SelectedIndexChanged_1(object sender, System.EventArgs e)

{

//identify if the first combo box item is not selected

switch (CboReport.SelectedIndex > 0)

{

//if another line in the combo box is selected then view the report

case true:

cptReports.ReportSource = CboReport.SelectedValue ;

cptReports.Zoom (25);

break;

//if the first line in the combo box is selected then clear the report

case false:

cptReports.ReportSource = null;

break;

}

cptReports.Zoom(100);

}

}

}