Changed all Excel access to read-only access if sheet is actually opened for reading.

This should avoid errors when the sheet is still open in Excel.

ENI2/Controls/MaerskListControl.xaml.cs

@@ -338,7 +338,8 @@ namespace ENI2.Controls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1); // Get first worksheet
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(1); // Skip header row

ENI2/DetailViewControls/BorderPoliceDetailControl.xaml.cs

@@ -1051,7 +1051,8 @@ namespace ENI2.DetailViewControls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1); // Get first worksheet
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(1); // Skip header row if present
@@ -1121,7 +1122,8 @@ namespace ENI2.DetailViewControls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1); // Get first worksheet
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(1); // Skip header row if present
@@ -1192,7 +1194,8 @@ namespace ENI2.DetailViewControls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1);
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(1); // Skip header row if present
@@ -1268,7 +1271,8 @@ namespace ENI2.DetailViewControls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1);
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(1); // Skip header row if present

ENI2/DetailViewControls/WasteDetailControl.xaml.cs

@@ -485,7 +485,8 @@ namespace ENI2.DetailViewControls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1); // Get first worksheet
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(3); // Skip first three rows

ENI2/Excel/ExcelBase.cs

@@ -9,6 +9,7 @@ using System.Globalization;
 using System.Text.RegularExpressions;
 using System.Drawing;
 using System.Linq;
+using System.IO;
 
 namespace ENI2.Excel
 {
@@ -22,6 +23,7 @@ namespace ENI2.Excel
         protected CountryMode _countryMode = CountryMode.DE;
 
         protected XLWorkbook _workBook;
+        protected FileStream _workBookStream;
         protected Dictionary<string, IXLDefinedName> _nameDict;
         protected ILog _log;
 
@@ -101,6 +103,12 @@ namespace ENI2.Excel
             }
         }
 
+        protected void OpenWorkbookReadOnly(string path)
+        {
+            _workBookStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            _workBook = new XLWorkbook(_workBookStream);
+        }
+
         private static double? ParseAnyDouble(string val)
         {
             double? result = null;
@@ -212,6 +220,11 @@ namespace ENI2.Excel
                     _workBook.Dispose();
                     _workBook = null;
                 }
+                if (_workBookStream != null)
+                {
+                    _workBookStream.Dispose();
+                    _workBookStream = null;
+                }
             }
             catch (Exception ex)
             {

ENI2/Excel/ExcelComparer.cs

@@ -53,8 +53,10 @@ namespace ENI2.Excel
             {
                 File.Copy(targetPath, comparisonFileName, true);
 
-                using (var sourceWorkbook = new XLWorkbook(sourcePath))
-                using (var comparisonWorkbook = new XLWorkbook(comparisonFileName))
+                using (var sourceStream = new FileStream(sourcePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                using (var sourceWorkbook = new XLWorkbook(sourceStream))
+                using (var comparisonStream = new FileStream(comparisonFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                using (var comparisonWorkbook = new XLWorkbook(comparisonStream))
                 {
                     // Es werden Zellen der "used range" miteinander verglichen
                     foreach (var sourceSheet in sourceWorkbook.Worksheets)

ENI2/Excel/ExcelLocalImportHelper.cs

@@ -26,7 +26,8 @@ namespace ENI2.Excel
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1);
                         var rows = worksheet.RangeUsed().RowsUsed();
@@ -144,7 +145,8 @@ namespace ENI2.Excel
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1);
                         var rows = worksheet.RangeUsed().RowsUsed();

ENI2/Excel/ExcelReader.cs

@@ -32,7 +32,7 @@ namespace ENI2.Excel
 
         public ExcelReader(string filePath, bool createNameFields = true)
         {
-            this._workBook = new XLWorkbook(filePath);
+            this.OpenWorkbookReadOnly(filePath);
             if (createNameFields)
                 this.InitNameFields();
 

ENI2/Excel/ExcelWriter.cs

@@ -26,7 +26,7 @@ namespace ENI2.Excel
             if (isRefSheet) filename = @"Excel\Reference_Sheet_DE.xlsx";
 
             string refFilePath = System.IO.Path.Combine(Environment.CurrentDirectory, filename);
-            this._workBook = new XLWorkbook(refFilePath);
+            this.OpenWorkbookReadOnly(refFilePath);
 
             this.InitNameFields();
         }

ENI2/SheetDisplayControls/CrewDepartureControl.xaml.cs

@@ -128,7 +128,8 @@ namespace ENI2.SheetDisplayControls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1); // Get first worksheet
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(1); // Skip header row if present

ENI2/SheetDisplayControls/CrewPreArrivalControl.xaml.cs

@@ -168,7 +168,8 @@ namespace ENI2.SheetDisplayControls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1); // Get first worksheet
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(1); // Skip header row if present

ENI2/SheetDisplayControls/PassengerDepartureControl.xaml.cs

@@ -146,7 +146,8 @@ namespace ENI2.SheetDisplayControls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1); // Get first worksheet
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(1); // Skip header row if present

ENI2/SheetDisplayControls/PassengerPreArrivalControl.xaml.cs

@@ -128,7 +128,8 @@ namespace ENI2.SheetDisplayControls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1); // Get first worksheet
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(1); // Skip header row if present

ENI2/SheetDisplayControls/PortControl.xaml.cs

@@ -520,7 +520,8 @@ namespace ENI2.SheetDisplayControls
             {
                 try
                 {
-                    using (var workbook = new XLWorkbook(ofd.FileName))
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
                     {
                         var worksheet = workbook.Worksheet(1); // Get first worksheet
                         var rows = worksheet.RangeUsed().RowsUsed().Skip(3); // Skip first three rows

bsmd.ExcelReadService/ExcelReader.cs

@@ -36,7 +36,23 @@ namespace bsmd.ExcelReadService
             this._excelApp.DisplayAlerts = false;
             this._excelWorkbooks = _excelApp.Workbooks;
             
-            this._portcall = _excelWorkbooks.Open(filePath, 0, true, 5, "", "", false, XlPlatform.xlWindows, "", false, false, 0, false, false, false);
+            this._portcall = _excelWorkbooks.Open(
+                filePath,
+                UpdateLinks: 0,
+                ReadOnly: true,
+                Format: 5,
+                Password: "",
+                WriteResPassword: "",
+                IgnoreReadOnlyRecommended: true,
+                Origin: XlPlatform.xlWindows,
+                Delimiter: "",
+                Editable: false,
+                Notify: false,
+                Converter: 0,
+                AddToMru: false,
+                Local: false,
+                CorruptLoad: false);
+            this._portcall.ChangeFileAccess(XlFileAccess.xlReadOnly);
             _nameDict = new Dictionary<string, Name>();
             int bookCnt = 0;
             foreach(Name name in _portcall.Names)