Develop Reference

How to handle the unit-test assembly load issue in C#

While loading assemblies from both x64/x86, I have got exception message as System.BadImageFormatException in my unit-test project.
Below is the code and screen shot of the exception I have got while debugging the test.
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Example_Addin;
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Drawing;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
using Microsoft.Office.Interop.Visio;
using Visio = Microsoft.Office.Interop.Visio;
namespace exampleProject
{
[TestClass]
public class exampleUnitTest1
{
[TestMethod]
public void Test_example()
{
try
{
Example exm_obj = new Example();
string file_path = "test.json";
string template_file = "template.vssx";
double height = 0.5;
double width = 0.5;
db_obj.read_data_shape_creation(#file_path, 0.5, 0.5, "F06", #template_file, "testing");
}
catch (Exception)
{
System.Diagnostics.Debug.WriteLine("Exception occour");
}
}
}
Here, I want to unit test my code with assembly dependencies, but after setting the assembly, I get the above snapped exception and code execution is halted. 

This issue happen due to my target framework for unit-test and my core-project are not matching. When I have correct both case it is working.

File.Exists and SpreadsheetDocument.Open returning File Not Found Exception in UWP Application

Im having an issue with using DocumentFormat.OpenXml.Packaging.SpreadsheetDocument.Open is not opening a spreadsheet, it returns a file not found exception. The class i'm using has worked many times before, but i've never used it in a UWP project.
I've created a simple example and found that I get the same issue when using File.Exists i've include all the using statements i use if that helps.
Does anyone know why the File.Exists cannot detect the file?
and yes i've triple checked the file does exist on D:!
C# UWP Project created using UWP Template Studio [MainPage.xaml.cs]
using System;
using System.IO;
using System.Data;
using System.Linq;
using System.Diagnostics;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using Windows.UI.Xaml;
using UWP_APP.ViewModels;
using Windows.UI.Xaml.Controls;
namespace UWP_APP.Views
{
public sealed partial class MainPage : Page
{
public MainViewModel ViewModel { get; } = new MainViewModel();
public MainPage()
{
InitializeComponent();
string filePath = #"D:\example.xlsm";
if (File.Exists(filePath))
{
int a = 1;
}
else
{
int a = 0;
}
}

Does anyone know why the File.Exists cannot detect the file?
UWP app is running in sandbox, because File.Exists is System.IO api. So it could not work for accessing file except ApplicationData.Current.LocalFolder. If you do want to check if the file exist in the specific path, we suggest you add broadFileSystemAccess capability and enable in the system file access setting. This capability works for APIs in the Windows.Storage namespace.
And using the flolowing method to check if the file exist.
try
{
var file = StorageFile.GetFileFromPathAsync(#"C:\Users\Karan\OneDrive\Desktop\2010.pdf");
if (file != null)
{
isExist = true;
}
}
catch (Exception)
{
isExist = false;
}

Windows.Storage error: the type of namespace Storage does not exist in namespace windows

I am very new to C#, visual studio, and related Microsoft work. So it is very likely that I messed something up and I hope some one can help me a bit on this.
I create an Console application and I am trying to run some tutorial C# code. There is a red line under when I try to load Windos.Storage.Pickers and all namespaces after it. I attempt to add the references, but I can't find what I need there.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Windows;
using Windows.Storage.Pickers;
using Windows.Storage.Streams;
using Windows.Graphics.Imaging;
using Windows.Media.FaceAnalysis;
using Windows.UI.Xaml.Media.Imaging;
using Windows.UI.Xaml.Shapes;
namespace ConsoleApp1
{
class Program
{
static void Main(string[] args)
{
FaceDetector faceDetector;
IList<DetectedFace> detectedFaces;
FileOpenPicker photoPicker = new FileOpenPicker();
photoPicker.ViewMode = PickerViewMode.Thumbnail;
photoPicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
photoPicker.FileTypeFilter.Add(".jpg");
photoPicker.FileTypeFilter.Add(".jpeg");
photoPicker.FileTypeFilter.Add(".png");
photoPicker.FileTypeFilter.Add(".bmp");
StorageFile photoFile = await photoPicker.PickSingleFileAsync();
if (photoFile == null)
{
return;
}
}
}
}

the namespace you are tying to use is use for UWP development.
The problem is that you are trying to use it in Console Development.
Read about it here

Im getting exception Typeload what the exception can be?

I added as reference 3 dll's: Google.Apis , Google.Apis.Translate.v2 , System.Runtime.Serialization
In Form1 i have one line:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
Translator.translate(new TranslateInput());
}
private void Form1_Load(object sender, EventArgs e)
{
}
}
}
Now the error the exception is on the first line in the class Translator:
The line that throw the error is: var service = new TranslateService { Key = GetApiKey() };
The class code is:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;
using System.Web;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Json;
using Google.Apis.Util;
using Google.Apis.Translate.v2;
using Google.Apis.Translate.v2.Data;
using TranslationsResource = Google.Apis.Translate.v2.Data.TranslationsResource;
public class Translator
{
public static string translate(TranslateInput input)
{
// Create the service.
var service = new TranslateService { Key = GetApiKey() };
string translationResult = "";
// Execute the first translation request.
Console.WriteLine("Translating to '" + input.TargetLanguage + "' ...");
TranslationsListResponse response = service.Translations.List(input.SourceText, input.TargetLanguage).Fetch();
var translations = new List<string>();
foreach (TranslationsResource translation in response.Translations)
{
translationResult = translation.TranslatedText;
}
return translationResult;
}
private static string GetApiKey()
{
return "AIzaSyCjxMe6RKHZzd7xSfSh2pEsBqUdXYm5tA8"; // Enter Your Key
}
}
/// <summary>
/// User input for this example.
/// </summary>
[Description("input")]
public class TranslateInput
{
[Description("text to translate")]
public string SourceText = "Who ate my candy?";
[Description("target language")]
public string TargetLanguage = "fr";
}
The error is:
Could not load type 'Google.Apis.Discovery.FactoryParameterV1_0' from assembly 'Google.Apis, Version=1.1.4497.35846, Culture=neutral, PublicKeyToken=null'.
Tried to google for help and also tried to change the project type to x64 platform but it didnt help. So i put it back on x86
I have windows 7 64bit visual studio c# 2010 pro .net 4.0 profile client.
Cant figure out what is the error ?

This error as reported in the above-posted messages is due to a local copy in the bin\Debug folder of your solution or project. Even though you attempt to clean your solution, such copies will persist to exist.
In order to avoid this to happen, you have to force Visual Studio to refer to the correct DLL by adding reference paths within a project properties. Unfortunately, if you got several projects within your solutions, you will have to set the reference paths for the projects one after another until completed.
Should you wish to know how to setup reference paths follow these simple instructions:
1.Select your project, right-click, then click "Properties";
2.In the project properties, click "Reference Paths";
3.Folder, type or browse to the right location of your DLL, click [Add Folder].
You will need to perform these steps for as many different locations you may have for each of your DLLs. Consider setting an output path under the Build tab of the same project properties, so that you may output your DLLs in the same directory for each of them, thus assuring you to find all the latest builds under the same location, simplifying forward your referencing.
Note this can only be one reason for this error. But it is sure that is has to do something with a wrong copy of the mentioned assembly.

How could Python access C# variable?

I am using visual studio 2010 AddIn template for ArcGis 10.0. Since I already wrote a python code for ArcGIS processing. I would like to insert a button into the ArcMap desktop command bar running this python code. Following is my simplized c# code and the beginning of python code for your reference:
c# code:
using System;
using System.Windows.Forms;
using System.Collections.Generic;
using System.Text;
using System.IO;
using Microsoft.VisualBasic;
namespace CallPython
{
public class CallPython : ESRI.ArcGIS.Desktop.AddIns.Button
{
public CallPython()
{
}
public string inputName()
{
string inputNames;
inputNames = "cavert.shp";
return inputNames;
}
protected override void OnClick()
{
inputName();
System.Diagnostics.Process.Start(
"D:\\From2\\BCAP\\python\\scripts\\trans5.py");
}
protected override void OnUpdate()
{
Enabled = ArcMap.Application != null;
}
}
}
Python code:
import arcpy
import os, win32com.client
from arcpy import env
arcpy.env.overwriteOutput = True
# Set environment settings
env.workspace = "D:/BCAP/trans/tempt/"
# Set local variables
vs_method_source = os.path.abspath("D:/Users/mar/CallPython/CallPython.cs")
vs_file_name = os.path.abspath("D:/Users/mar/CallPython/CallPython.sln")
vs = win32com.client.Dispatch("VisualStudio.DTE.7.1")
doc_template = vs.Documents.Open(vs_file_name)
mm = doc_template.CallPython.inputName() #CallPython is namespace, inputName is method
The last line of python code is the problem. I know it is definitely not right, but didn't know how to access C# namespace, class, then method from python.