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Run Async Task in Sync Method 01.11.2019   24 Async Task in Sync Methode How to perform an asynchronous method within a synchronous method in C- Problem: here Async call in Sync event Async await ApplicationData Current LocalSettings Values[ "Set_CameraNr" ]=Ca
Run Async Task in Sync Method
Set value in a ComboBox ComboboxItem 01.11.2019   25 Set value in a ComboBox ComboboxItem Dieses Beispiel zeigt wie man einen Eintag in einem Auswahlfeld ComboBox in UWP und WPF per XAML und per Code erstellen kann UWP, WPF, Select Feld Dropdown Auswahl In XAML You place in the ComboBox within several ComboBoxItems
Set value in a ComboBox ComboboxItem
Error: The file is locked by SQL Server Windows 22.06.2019   601 : "SQL Server Windows NT - 64 Bit (3912)" If you want to debug a Windows application in Visual Studio with Start, then you may receive an error message that a process is accessing the SQL Server file and therefore the application cannot be started for debugging In Visual Studio Severity
Error: The file is locked by SQL Server Windows
WPF Combobox: Dynamically adjust the color of rows 23.05.2019   467 Task: How to dynamically adjust the color of individual lines in a Dropdown List WPF Combobox? Solution: You can put within the WPF Combobox via Combox ItemContainerStyle-> Style ComboboxItem-> with Setter the Foreground and Background Color
WPF Combobox: Dynamically adjust the color of rows
Linq Combobox: Download dropdown list of data from a table 23.05.2019   434 Simple example of how to load a small table into a WPF combobox as data Code Example C # public void
Linq Combobox: Download dropdown list of data from a table
WPF Datagrid: Set Color of Row when it has no Focus 22.05.2019   484 WPF: Selected line without focus How to adjust the color at a datagrid when it has no focus Solution: You have to set the highlight colors instead of static colors
WPF Datagrid: Set Color of Row when it has no Focus
WPF Datagrid: Change the Color of Selected Row 22.05.2019   649 WPF: Customize selected line How to adjust the color of the selected line and cells in WPF Solution: You have to set the style properties for DataGridRow and DataGridCell in the DataGrid
WPF Datagrid: Change the Color of Selected Row
WPF: Change Selected Row Color in DataGrid 22.05.2019   1017 WPF: Change Selected Row Color How to change the Selected line of a data grid in color? Solution For this purpose, you can customize the DataGridRow via a style Then you select the trigger on IsSelected and you can choose the background color on the chosen color
WPF: Change Selected Row Color in DataGrid
STORING WPF Data in the Database 25.03.2019   597 The following script in C #, WPF shows how to store And read SETTINGS values in a Database As usual, the Settings data of an Application As usual are changed and stored purely settings form The Difference, however, is that the Settings values are not stored and managed as usual in the WPF Settings, but via a central Database, which can be addressed from several Positions Uses XCeed ColorPicker, Textbox, Linq as Database with EF EntityFramework
STORING WPF Data in the Database
WPF: Explorer with path open 17.03.2019   444 Open WPF application in the current work directory Installationsverzeichnis
WPF: Explorer with path open
WPF: Open a Window at a position 13.01.2019   705 How do you set a WPF Window so that it is placed directly at the position or place of the mouse when opening? Solution:
WPF: Open a Window at a position
WPF: Drag Drop Example 12.01.2019   2079 WPF: Drag Drop Beispiel The following C # Code example shows the simple creation of a drag and drop function in WPF In this example, a rectangular planning field (WPF button) is drawn into a planning calendar (WPF Border) With a WPF drag-and-drop operation, any data can be
WPF: Drag Drop Example
WPF: Read SelectedItem from DataGrid with Dynamic As Anonymous Type 31.12.2018   958 WPF: Read SelectedItem from DataGrid with Dynamic As Anonymous Type How to evaluate an Colo
WPF: Read SelectedItem from DataGrid with Dynamic As Anonymous Type
WPF: Elements too wide, edge Cut off 31.12.2018   482 WPF: Elements too wide, edge Cut off Problem: The input fields are not displayed correctly For at any reason, the right edge is always cut off
WPF: Elements too wide, edge Cut off
WPF: Selection enter open and well take over with Button Elements 29.12.2018   522 WPF: Selection enter open and well take over with Button Elements This example shows that we open a WPF element a selection as a window and a selection is made from it The selection then adds a button to the inside of the first caller
WPF: Selection enter open and well take over with Button Elements
Solved: System.InvalidCastException HResult 0x80004002 in Select DataGrid 29.12.2018   860 Solved: System InvalidCastException HResult=0x80004002 Error message
Solved: System.InvalidCastException   HResult 0x80004002 in Select DataGrid
WPF: Combobox Selected Value 28.12.2018   1561 WPF: Combobox Selected Value ID ermitteln Task: How to determine the selected Wert in WPF at a Combobox
WPF: Combobox Selected Value
How to add a database functionally to a WPF application 16.11.2018   1620 How to add a database functionally to a WPF application If you already have a WPF application with a local database, then you go in the Solution Explorer Add data model connection At Project-> Add-> New Item
How to add a database functionally to a WPF application
Gelöst: One or more projects in the solution were not loaded correctly 16.11.2018   689 Gelöst: One or more projects in the solution were not loaded correctly Die Fehlermeldung dass das Projekt nicht richtig geladen werden konnte, wenn man ein Projekt über eine Solution sln Datei öffnet und das Projekt zuvor verschoben wurde Fehlermeldung:
Gelöst: One or more projects in the solution were not loaded correctly
Code: Resize Photo with Windows, Resize 14.11.2018   492 Code: Resize Photo with Windows, Resize Task: A small easy Windows C # code to downsize a photo or image to a smaller size
Code: Resize Photo with Windows, Resize
Solved: Thread must be set to Single Thread Apartment (STA) mode 14.11.2018   893 Solved: Thread must be set to Single Thread Apartment (STA) mode Problem: When using the Clipboard clipboard in an Addin
Solved: Thread must be set to Single Thread Apartment (STA) mode
WPF Datagrid: Column is not displayed 13.11.2018   1133 WPF Datagrid: Column is not displayed Problem:
WPF Datagrid: Column is not displayed
Resolved: Error message when installing Windows software, untrusted certificate 12.11.2018   516 Resolved: Error message when installing Windows software, untrusted certificate Problem: When installing a Windows application, the following message appears saying that custom functions can not be used because of a certificate
Resolved: Error message when installing Windows software, untrusted certificate
Installation of .NET Core 2.1 on a web server 07.11.2018   1070 Installation of NET Core 2 1 on a web server Problem: If you upload a new web page with Asp Net Core 2 1 to a web server and try to start it, then first an error message 502 5 appears on the web server
Installation of .NET Core 2.1 on a web server
Asp.Net Core 2.1 Error: Publish prints too many files 07.11.2018   535 Asp Net Core 2 1 Error: Publish prints too many files Problem: If you output an Asp Net Core 2 1 Web application with Publish, project files and all library runtime files will be output Subject: Upgrade Windows 10 update and Visual Studio 2017 to 2018 Q3 Description:
Asp.Net Core 2.1 Error: Publish prints too many files
Asp.Net Razor: Query website URL Path 06.11.2018   451 How to query in Asp Net when calling a page where you are? Task: I would like to call the website page: Edit, that some HTML sections such as advertising are not displayed The Asp Net MVC Core Website Edit is saved as View: E
Asp.Net Razor: Query website URL Path
Solved: Project file is incomplete. Expected imports are missing. .Net Core 2 Project 06.11.2018   483 Solved: Project file is incomplete Expected imports are missing Net Core 2 Project When opening the Project Solution sln file with a core project, Windows 10 reports a fatal error The project file will not load at all As such, the project or the project file in Visual Studio seems to be destroyed
Solved: Project file is incomplete. Expected imports are missing. .Net Core 2 Project
C #: Converting a 2D Object Array to 2D String Array 30.10.2018   461 C #: Converting a 2D Object Array to 2D String Array Task: This code example in C # shows how to transform a two-dimensional object [,] array into a 2-dimensional string [,] array T
C #: Converting a 2D Object Array to 2D String Array
Create C# COM Control for Office 10.10.2018   3107 Create COM Control for Office This description shows how to create a COM Control and then use it in Microsoft Office The COM Control is created in C # in Visual Studio The description contains the base code in C # for creating a COM control The COM Control is created in this example only as a dll file and does not require visible operator control
Create C# COM Control for Office
Read text from PDF using iTextSharp 10.10.2018   5035 Read text from PDF Under C # you can create a complete PDF reader with just a few lines of code For this you can integrate the Nuget Package iTextSharp small Windows program with iTextSharp in C # and WPF
Read text from PDF using iTextSharp

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