Создание отчета на языке C#

 using System; 
using System.Data; 
using System.IO; 
using System.Windows.Forms; 
using Microsoft.Reporting.WinForms; 
 
public class PrintReport : Form 
{ 
    private Report report; 
    private DataBaseManager dataBase; 
    private ReportViewer reportViewer1; 
    private Button button1; 
 
    public PrintReport() 
    { 
        report = new Report(); 
        dataBase = new DataBaseManager(); 
 
        reportViewer1 = new ReportViewer(); 
        button1 = new Button(); 
 
        button1.Text = "Print Report"; 
        button1.Click += new EventHandler(button1_Click); 
 
        Controls.Add(reportViewer1); 
        Controls.Add(button1); 
 
        InitializeComponent(); 
    } 
 
    private void InitializeComponent() 
    { 
        this.Load += new EventHandler(PrintReport_Load); 
        this.reportViewer1.Load += new EventHandler(reportViewer1_Load); 
    } 
 
    private void PrintReport_Load(object sender, EventArgs e) 
    { 
        this.reportViewer1.RefreshReport(); 
    } 
 
    private void reportViewer1_Load(object sender, EventArgs e) 
    { 
        // Можно добавить дополнительную логику, если требуется 
    } 
 
    private void button1_Click(object sender, EventArgs e) 
    { 
        DataTable dt = dataBase.ExecuteQuery("Select * from Issuance"); 
        report.LoadReport(dt, "Report1", reportViewer1); 
    } 
} 
 
public class Report 
{ 
    public void LoadReport(DataTable dataTable, string nameReport, ReportViewer reportViewer) 
    { 
        string path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $@"..\..\{nameReport}.rdlc"); 
        reportViewer.LocalReport.DataSources.Clear(); 
        ReportDataSource source = new ReportDataSource("DataSet1", dataTable); 
        reportViewer.LocalReport.ReportPath = path; 
        reportViewer.LocalReport.DataSources.Add(source); 
        reportViewer.RefreshReport(); 
    } 
} 
 
public class DataBaseManager 
{ 
    public DataTable ExecuteQuery(string query) 
    { 
        // Реализация метода ExecuteQuery для выполнения SQL-запроса и возврата DataTable 
        // Пример: 
        DataTable dataTable = new DataTable(); 
        // Заполнение dataTable данными из базы данных 
        return dataTable; 
    } 
}