嘗試導出 fastreport 報告時無法找到元數據文件“Microsoft.CSharp”錯誤

Question

嘗試使用 fastreport 開源版本准備報告並將其導出到 pdf 使用 Microsoft Sql 服務器數據庫作為它的數據源 我的代碼似乎連接到數據庫並且能夠填充數據源，所以很可能問題出在創建報告自己，但我不知道它可能發生在哪里

異常發生在report.Prepare(); 和它后面的行

 using FastReport;
 using FastReport.Data;
 using FastReport.Export.Image;
 using FastReport.Export.PdfSimple;
 using FastReport.Format;
 using FastReport.Table;
 using FastReport.Utils;
 using System;
 using System.Configuration;
 using System.Data;
 using System.Data.SqlClient;
 using System.Drawing;
 using System.IO;
 using System.Windows;

 namespace KursovayaAvtoparkAvtobusov
 {
     /// <summary>
     /// Interaction logic for ReportExport.xaml
     /// </summary>
     public partial class ReportExport : Window
     {
         private static string outFolder = @"..\..\..\out\";
         private static string inFolder = @"..\..\..\in\";

         public ReportExport()
         {
             InitializeComponent();
         }

         private void SimpleRepExport_Click(object sender, RoutedEventArgs e)
         {

             Report report = new Report();
             DataSet ds = new DataSet();
             SqlConnection sqlConnection = new SqlConnection();
             sqlConnection.ConnectionString = ConfigurationManager.ConnectionStrings["KursovayaAvtoparkAvtobusov"].ToString();
             sqlConnection.Open();
             var select = "SELECT * FROM Employees; SELECT* FROM Maintenance; SELECT* FROM Marshuti; SELECT* FROM Prodazhi";
             var commandBuilder = new SqlCommand(select, sqlConnection);
             commandBuilder.ExecuteNonQuery();

             var adapter = new SqlDataAdapter(commandBuilder);
             adapter.TableMappings.Add("Table", "Employees");
             adapter.TableMappings.Add("Table1", "Maintenance");
             adapter.TableMappings.Add("Table2", "Marshuti");
             adapter.TableMappings.Add("Table3", "Prodazhi");
             adapter.Fill(ds);
             MessageBox.Show(ds.Tables[0].TableName);
             MessageBox.Show(ds.Tables[1].TableName);
             MessageBox.Show(ds.Tables[2].TableName);
             MessageBox.Show(ds.Tables[3].TableName);
             report.RegisterData(ds.Tables["Employees"], "Employees");
             // enable it to use in a report
             report.GetDataSource("Employees").Enabled = true;
             // create A4 page with all margins set to 1cm
             ReportPage page1 = new ReportPage();
             page1.Name = "Page1";
             report.Pages.Add(page1);
             // create a ReportTitle band
             page1.ReportTitle = new ReportTitleBand();
             page1.ReportTitle.Name = "ReportTitle1";
             // set its height to 1.5cm
             page1.ReportTitle.Height = Units.Centimeters * 1.5f;
             // create group header
             GroupHeaderBand group1 = new GroupHeaderBand();
             group1.Name = "GroupHeader1";
             group1.Height = Units.Centimeters * 1;
             // set group condition
             group1.Condition = "[Employees.Surname].Substring(0, 1)";
             // add group to the page.Bands collection
             page1.Bands.Add(group1);
             // create group footer
             group1.GroupFooter = new GroupFooterBand();
             group1.GroupFooter.Name = "GroupFooter1";
             group1.GroupFooter.Height = Units.Centimeters * 1;
             // create DataBand
             DataBand data1 = new DataBand();
             data1.Name = "Data1";
             data1.Height = Units.Centimeters * 0.5f;
             // set data source
             data1.DataSource = report.GetDataSource("Employees");
             // connect databand to a group
             group1.Data = data1;
             // create "Text" objects
             // report title
             TextObject text1 = new TextObject();
             text1.Name = "Text1";
             // set bounds
             text1.Bounds = new RectangleF(0, 0,
             Units.Centimeters * 19, Units.Centimeters * 1);
             // set text
             text1.Text = "Employees";
             // set appearance
             text1.HorzAlign = HorzAlign.Center;
             text1.Font = new Font("Tahoma", 14);
             // add it to ReportTitle
             page1.ReportTitle.Objects.Add(text1);
             // group
             TextObject text2 = new TextObject();
             text2.Name = "Text2";
             text2.Bounds = new RectangleF(0, 0,
             Units.Centimeters * 2, Units.Centimeters * 1);
             text2.Text = "[[Employees.Name].Substring(0, 1)]";
             text2.Font = new Font("Tahoma", 10);
             // add it to the GroupHeader
             group1.Objects.Add(text2);
             // data band
             TextObject text3 = new TextObject();
             text3.Name = "Text3";
             text3.Bounds = new RectangleF(0, 0,
             Units.Centimeters * 10, Units.Centimeters * 0.5f);
             text3.Text = "[Employees.Patronym]";
             text3.Font = new Font("Tahoma", 8);
             // add it to DataBand
             data1.Objects.Add(text3);
             report.Prepare();
             PDFSimpleExport pdf = new PDFSimpleExport();
             // Save the report 
             report.Export(pdf, "ExportedPDF.pdf");
         }
     }
 }

文件中的源代碼

異常詳情

FastReport.Utils.CompilerException
  HResult=0x80131500
  Message=(0,0): Error CS0006: Metadata file 'Microsoft.CSharp' could not be found

  Source=FastReport
  StackTrace:
   at FastReport.Code.AssemblyDescriptor.InternalCompile()
   at FastReport.Code.AssemblyDescriptor.Compile()
   at FastReport.Report.Prepare(Boolean append)
   at KursovayaAvtoparkAvtobusov.ReportExport.SimpleRepExport_Click(Object sender, RoutedEventArgs e) in C:\Users\AndreySavich\source\repos\KursovayaAvtoparkAvtobusov\KursovayaAvtoparkAvtobusov\ReportExport.xaml.cs:line 117
   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   at System.Windows.Controls.Primitives.ButtonBase.OnClick()
   at System.Windows.Controls.Button.OnClick()
   at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
   at System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e)
   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   at System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
   at System.Windows.Input.InputManager.ProcessStagingArea()
   at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
   at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
   at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
   at System.Windows.Application.RunDispatcher(Object ignore)
   at System.Windows.Application.RunInternal(Window window)
   at KursovayaAvtoparkAvtobusov.App.Main()

預期的行為將是導出到 pdf 文件報告，可以在 pdf 查看器中查看

Answer 1

我設法修復它基本上導致該錯誤的原因是使用了錯誤類型的 sqlconnection 重新編寫了代碼

 using FastReport; using FastReport.Data; using FastReport.Export.Image; using FastReport.Export.PdfSimple; using FastReport.Format; using FastReport.Table; using FastReport.Utils; using System; using System.Configuration; using System.Data; using System.Data.SqlClient; using System.Drawing; using System.IO; using System.Windows; namespace KursovayaAvtoparkAvtobusov { /// <summary> /// Interaction logic for ReportExport.xaml /// </summary> public partial class ReportExport: Window { private static string outFolder = @"..\..\..\out\"; private static string inFolder = @"..\..\..\in\"; public ReportExport() { InitializeComponent(); } private void SimpleRepExport_Click(object sender, RoutedEventArgs e) { Report report = new Report(); DataSet ds = new DataSet(); SqlConnection sqlConnection = new SqlConnection(); sqlConnection.ConnectionString = ConfigurationManager.ConnectionStrings["KursovayaAvtoparkAvtobusov"].ToString(); sqlConnection.Open(); var select = "SELECT * FROM Employees; SELECT* FROM Maintenance; SELECT* FROM Marshuti; SELECT* FROM Prodazhi"; var commandBuilder = new SqlCommand(select, sqlConnection); commandBuilder.ExecuteNonQuery(); var adapter = new SqlDataAdapter(commandBuilder); adapter.TableMappings.Add("Table", "Employees"); adapter.TableMappings.Add("Table1", "Maintenance"); adapter.TableMappings.Add("Table2", "Marshuti"); adapter.TableMappings.Add("Table3", "Prodazhi"); adapter.Fill(ds); MessageBox.Show(ds.Tables[0].TableName); MessageBox.Show(ds.Tables[1].TableName); MessageBox.Show(ds.Tables[2].TableName); MessageBox.Show(ds.Tables[3].TableName); report.RegisterData(ds.Tables["Employees"], "Employees"); // enable it to use in a report report.GetDataSource("Employees").Enabled = true; // create A4 page with all margins set to 1cm ReportPage page1 = new ReportPage(); page1.Name = "Page1"; report.Pages.Add(page1); // create a ReportTitle band page1.ReportTitle = new ReportTitleBand(); page1.ReportTitle.Name = "ReportTitle1"; // set its height to 1.5cm page1.ReportTitle.Height = Units.Centimeters * 1.5f; // create group header GroupHeaderBand group1 = new GroupHeaderBand(); group1.Name = "GroupHeader1"; group1.Height = Units.Centimeters * 1; // set group condition group1.Condition = "[Employees.Surname].Substring(0, 1)"; // add group to the page.Bands collection page1.Bands.Add(group1); // create group footer group1.GroupFooter = new GroupFooterBand(); group1.GroupFooter.Name = "GroupFooter1"; group1.GroupFooter.Height = Units.Centimeters * 1; // create DataBand DataBand data1 = new DataBand(); data1.Name = "Data1"; data1.Height = Units.Centimeters * 0.5f; // set data source data1.DataSource = report.GetDataSource("Employees"); // connect databand to a group group1.Data = data1; // create "Text" objects // report title TextObject text1 = new TextObject(); text1.Name = "Text1"; // set bounds text1.Bounds = new RectangleF(0, 0, Units.Centimeters * 19, Units.Centimeters * 1); // set text text1.Text = "Employees"; // set appearance text1.HorzAlign = HorzAlign.Center; text1.Font = new Font("Tahoma", 14); // add it to ReportTitle page1.ReportTitle.Objects.Add(text1); // group TextObject text2 = new TextObject(); text2.Name = "Text2"; text2.Bounds = new RectangleF(0, 0, Units.Centimeters * 2, Units.Centimeters * 1); text2.Text = "[[Employees.Name].Substring(0, 1)]"; text2.Font = new Font("Tahoma", 10); // add it to the GroupHeader group1.Objects.Add(text2); // data band TextObject text3 = new TextObject(); text3.Name = "Text3"; text3.Bounds = new RectangleF(0, 0, Units.Centimeters * 10, Units.Centimeters * 0.5f); text3.Text = "[Employees.Patronym]"; text3.Font = new Font("Tahoma", 8); // add it to DataBand data1.Objects.Add(text3); report.Prepare(); PDFSimpleExport pdf = new PDFSimpleExport(); // Save the report report.Export(pdf, "ExportedPDF.pdf"); } } }

對此

 using FastReport; using FastReport.Data; using FastReport.Export.Image; using FastReport.Export.PdfSimple; using FastReport.Format; using FastReport.Table; using FastReport.Utils; using System; using System.Configuration; using System.Data; using System.Data.SqlClient; using System.Drawing; using System.IO; using System.Windows; namespace KursovayaAvtoparkAvtobusov { /// <summary> /// Interaction logic for ReportExport.xaml /// </summary> public partial class ReportExport: Window { private static string outFolder = @"..\..\..\out\"; private static string inFolder = @"..\..\..\in\"; public ReportExport() { InitializeComponent(); } /*private void Fucttardmethod() { RegisteredObjects.AddConnection(typeof(MsSqlDataConnection)); Report report = new Report(); MsSqlDataConnection sqlConnection = new MsSqlDataConnection(); sqlConnection.ConnectionString = ConfigurationManager.ConnectionStrings["KursovayaAvtoparkAvtobusov"].ToString(); sqlConnection.CreateAllTables(); report.Report.Dictionary.Connections.Add(sqlConnection); var select = "SELECT * FROM Employees; SELECT* FROM Maintenance; SELECT* FROM Marshuti; SELECT* FROM Prodazhi"; report.GetDataSource("Employees").Enabled = true; report.GetDataSource("Maintenance").Enabled = true; report.GetDataSource("Marshuti").Enabled = true; report.GetDataSource("Prodazhi").Enabled = true; report.Prepare(); PDFSimpleExport pdf = new PDFSimpleExport(); // Save the report report.Export(pdf, "ExportedPDF.pdf"); }*/ private void SimpleRepExport_Click(object sender, RoutedEventArgs e) { RegisteredObjects.AddConnection(typeof(MsSqlDataConnection)); Report report = new Report(); MsSqlDataConnection connection = new MsSqlDataConnection(); connection.ConnectionString = ConfigurationManager.ConnectionStrings["KursovayaAvtoparkAvtobusov"].ToString(); connection.CreateAllTables(); report.Dictionary.Connections.Add(connection); report.RegisterData(connection.DataSet, "mssql"); report.GetDataSource("Employees").Enabled = true; ReportPage page = new ReportPage(); report.Pages.Add(page); page.CreateUniqueName(); page.TopMargin = 10.0f; page.LeftMargin = 10.0f; page.RightMargin = 10.0f; page.BottomMargin = 10.0f; DataBand data = new DataBand(); data.CreateUniqueName(); page.AddChild(data); data.DataSource = report.GetDataSource("Employees"); //adding a table to a bend data.Height = Units.Centimeters * 5f; // Creating report title page.ReportTitle = new ReportTitleBand(); page.ReportTitle.CreateUniqueName(); page.ReportTitle.Height = 4.0f * Units.Centimeters; TextObject titleText = new TextObject(); titleText.CreateUniqueName(); titleText.Left = 1.0f * Units.Centimeters; titleText.Top = 1.0f * Units.Centimeters; titleText.Width = 17.0f * Units.Centimeters; titleText.Height = 2.0f * Units.Centimeters; titleText.HorzAlign = HorzAlign.Center; titleText.VertAlign = VertAlign.Center; titleText.Font = new Font("Times New Roman", 32.0f); titleText.TextColor = Color.Black; titleText.FillColor = Color.Wheat; titleText.Border.Color = Color.Black; titleText.Border.Lines = BorderLines.All; titleText.Border.Width = 4.0f; titleText.Text = "Avtopark Report"; page.ReportTitle.Objects.Add(titleText); // Header object TextObject headerText = new TextObject(); headerText.CreateUniqueName(); headerText.Bounds = new RectangleF(0.0f, 2.7f * Units.Centimeters, 19.0f * Units.Centimeters, 1.0f * Units.Centimeters); headerText.HorzAlign = HorzAlign.Center; headerText.VertAlign = VertAlign.Center; headerText.Font = new Font("Times New Roman", 16.0f); headerText.TextColor = Color.Black; headerText.FillColor = Color.Wheat; headerText.Border.Color = Color.Black; headerText.Border.Lines = BorderLines.All; headerText.Border.Width = 4.0f; headerText.Text = "Employees" + " Table"; page.ReportTitle.Objects.Add(headerText); // Text bands TextObject bandText = new TextObject(); bandText.CreateUniqueName(); bandText.HorzAlign = HorzAlign.Center; bandText.Bounds = new RectangleF(0.0f * Units.Centimeters, 0.25f, 1.0f * Units.Centimeters, 0.5f * Units.Centimeters); bandText.Border.Lines = BorderLines.All; bandText.Text = "[Employees.Num]"; data.AddChild(bandText); TextObject text1 = new TextObject(); text1.Parent = data; text1.CreateUniqueName(); text1.Bounds = new RectangleF(1 * Units.Centimeters, 0, Units.Centimeters * 3, Units.Centimeters * 0.5f); text1.Text = "[Employees.Surname]"; //table and its field text1.Border.Lines = BorderLines.All; TextObject text2 = new TextObject(); text2.Parent = data; text2.CreateUniqueName(); text2.Bounds = new RectangleF(4 * Units.Centimeters, 0, Units.Centimeters * 20, Units.Centimeters * 0.5f); text2.Text = "[Employees.Name]"; //table and its field text2.Border.Lines = BorderLines.All; TextObject text3 = new TextObject(); text3.Parent = data; text3.CreateUniqueName(); text3.Bounds = new RectangleF(10 * Units.Centimeters, 0, Units.Centimeters * 15, Units.Centimeters * 0.5f); text3.Text = "[Employees.Patronym]"; //table and its field text3.Border.Lines = BorderLines.All; TextObject text4 = new TextObject(); text4.Parent = data; text4.CreateUniqueName(); text4.Bounds = new RectangleF(13 * Units.Centimeters, 0, Units.Centimeters * 5, Units.Centimeters * 0.5f); text4.Text = "[Employees.Employed_Since]"; //table and its field text4.Border.Lines = BorderLines.All; TextObject text5 = new TextObject(); text5.Parent = data; text5.CreateUniqueName(); text5.Bounds = new RectangleF(15 * Units.Centimeters, 0, Units.Centimeters * 5, Units.Centimeters * 0.5f); text5.Text = "[Employees.Job]"; //table and its field text5.Border.Lines = BorderLines.All; TextObject text6 = new TextObject(); text6.Parent = data; text6.CreateUniqueName(); text6.Bounds = new RectangleF(18 * Units.Centimeters, 0, Units.Centimeters * 5, Units.Centimeters * 0.5f); text6.Text = "[Employees.Internship]"; //table and its field text6.Border.Lines = BorderLines.All; // Footer page.PageFooter = new PageFooterBand(); page.PageFooter.CreateUniqueName(); page.PageFooter.Height = 0.5f * Units.Centimeters; TextObject footerText = new TextObject(); footerText.CreateUniqueName(); footerText.HorzAlign = HorzAlign.Right; footerText.VertAlign = VertAlign.Center; footerText.Bounds = new RectangleF(0.0f, 0.0f, 19.0f * Units.Centimeters, 0.5f * Units.Centimeters); footerText.TextColor = Color.Black; footerText.FillColor = Color.Wheat; titleText.Border.Color = Color.Black; titleText.Border.Lines = BorderLines.All; titleText.Border.Width = 4.0f; footerText.Text = "Page [Page]"; page.PageFooter.Objects.Add(footerText); // Exporting the report report.Prepare(); PDFSimpleExport pdf = new PDFSimpleExport(); // Save the report report.Export(pdf, "ExportedPDF.pdf"); } } }