C ＃ print reports using fastreport.net

FastReport.NET Official download address ： https://www.fast-report.com/en/download/fast-report-net/

The format of the report to be printed is as follows ：

One 、 Design report

installed FastReport.NET after , You can design a report , The format of the report to be designed is as follows ：

1. Add a data source to the report Data Source

1.1 Register the data source in the code

First of all, it should be quoted in the project FastReport.dll, Then use the code to register data for the report , as follows ：

using FastReport; //  quote FastReport Namespace 

/// <summary>
///  Print report list entity class 
/// </summary>
private class DataViewModel
{
    
	public string TestItem {
     get; set; }
	public string ItemID {
     get; set; }
	public string WriteFormatData {
     get; set; }
	public string ReadFormatData {
     get; set; }
	public string Evl {
     get; set; }
}

/// <summary>
///  Print report entity class 
/// </summary>
private class PrintModel
{
    
	public string Number {
     get; set; }
	public string CarTypeLib {
     get; set; }
	public string TestUser {
     get; set; }
	public List<DataViewModel> DataViewModel {
     get; set; }
}

//  Report sheet data source 
List<PrintModel> printModels = new List<PrintModel>(); //  data source 
printModels.Add(model);
//  call FastReport Print report form 
try
{
    
	Report report = new Report();
	report.Load(Application.StartupPath + "\\ECU13 Diagnostic report .frx"); //  Load the report form template 
	report.RegisterData(printModels, "PrintModels"); //  register Data Source data source 
	//report.Show(); //  Report preview mode 
	report.Design(); //  Report editing mode 
	report.Dispose();
}
catch (Exception ex)
{
    
	MessageBoxEx.Show($" Printing failed ！{
      ex.ToString()}", " error ", MessageBoxButtonsEx.OK, MessageBoxIconEx.Error);
}

1.2 Select the data source in the report

Register the data source in the code and open the report form template in edit mode , choice “Data” >> “Choose Report Data…” >> “OK”, The data source is added . as follows ：

2. Set the cell automatic height of the data range

Select the cell to set the automatic height , Set... In properties “CanGrow” and “GrowToBottom” by “True”, as follows ：

Two 、 Print report form code example

When printing, you need to obtain the data to be printed , Organize the format of print data , Register data, etc. in the report , There are detailed comments in the code . as follows ：

/// <summary>
///  Print button click event 
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnPrint_Click(object sender, EventArgs e)
{
    
	if (dgvTestRecord.CurrentRow == null)
	{
    
		MessageBoxEx.Show(" Please select a test record to print ！", " Tips ", MessageBoxButtonsEx.OK, MessageBoxIconEx.Information);
		return;
	}
	DialogResult dialogResult = MessageBoxEx.Show($" Be sure to print serial number {
      dgvTestRecord.CurrentRow.Cells["Number"].Value} Is there a report form for ？",
		" inquiry ", MessageBoxButtonsEx.YesNo, MessageBoxIconEx.Question);
	if (dialogResult == DialogResult.Yes)
	{
    
		Conditions conditions = GetQueryConditions(); //  Custom class , Encapsulate query criteria 
		conditions["Number"] = dgvTestRecord.CurrentRow.Cells["Number"].Value.ToString();
		conditions["TestTimes"] = dgvTestRecord.CurrentRow.Cells["TestTimes"].Value.ToString();
		var lst = ecu13TestRecord.GetList(conditions, orderby: "testendtime asc").ToList(); //  Get the data to print 
		//  Organize the data required by the report printing template 
		PrintModel model = new PrintModel
		{
    
			Number = dgvTestRecord.CurrentRow.Cells["Number"].Value.ToString(),
			CarTypeLib = dgvTestRecord.CurrentRow.Cells["CarTypeLib"].Value.ToString(),
			TestUser = dgvTestRecord.CurrentRow.Cells["TestUser"].Value.ToString(),
			DataViewModel = lst.Select(x => new DataViewModel
			{
    
				TestItem = x.testitem,
				ItemID = x.itemid,
				WriteFormatData = x.testitem == "CAN2" ? "————" : x.writeformatdata,
				ReadFormatData = x.readformatdata,
				Evl = x.evl
			}).ToList()
		};
		//  Report sheet data source 
		List<PrintModel> printModels = new List<PrintModel>();
		printModels.Add(model);
		//  call FastReport Print report form 
		try
		{
    
			Report report = new Report();
			report.Load(Application.StartupPath + "\\ECU13 Diagnostic report .frx");
			report.RegisterData(printModels, "PrintModels");
			report.Show(); //  Report preview mode 
			//report.Design(); //  Report design pattern 
			report.Dispose();
		}
		catch (Exception ex)
		{
    
			MessageBoxEx.Show($" Printing failed ！{
      ex.ToString()}", " error ", MessageBoxButtonsEx.OK, MessageBoxIconEx.Error);
		}
	}
}