Cannot find the folder path in project C# WPF

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I am exporting my gridview to excel and i am saving it in the folder which is in my project and after that i am setting a password to the excel file.

Problem is i cannot find the path

ERROR:

Sorry, we couldn't find ../../files/Test.xlsx. Is it possible it was moved, renamed or deleted?

What I have tried:

 public static void Setpassword()
        {           
            string filename = "../../files/Test.xlsx";
            string password = "1245";

            if (!File.Exists(filename))
                return;

            Microsoft.Office.Interop.Excel.Application oexcel;
            Microsoft.Office.Interop.Excel.Workbook obook;

            oexcel = new Microsoft.Office.Interop.Excel.Application();
            oexcel.DisplayAlerts = false;
           
            obook = oexcel.Workbooks.Open(filename, 0, false, 5, "", "", true, System.Reflection.Missing.Value, "\t", false, false, 0, true, 1, 0);

//ERROR : Sorry, we couldn't find ../../files/Test.xlsx. Is it possible it was moved, renamed or deleted?

            try
            {
                obook.SaveAs(filename, Password: password, ConflictResolution: Microsoft.Office.Interop.Excel.XlSaveConflictResolution.xlLocalSessionChanges);
            }
            finally
            {
                obook.Close();
                oexcel.Quit();
            }
        }

Posted 13-Mar-16 21:18pm

Mohammed_Faisal_Majeed

Updated 13-Mar-16 23:07pm

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VR Karthikeyan 17-Mar-16 8:46am

Have you tried the solution 2?

1 solution

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VR Karthikeyan · Answer 1 · 2016-03-13T23:07:00

Hi, don't mention like "../../files/Test.xlsx" to store in the directory of the project.
Use like the following,

C#

string filename = Environment.CurrentDirectory + "\Test.xlsx";
//Environment.CurrentDirectory - represents the current working directory of the project.

Or you can use this also,

C#

string filename = AssemblyDirectory + "\Test.xlsx";

public static string AssemblyDirectory
{
   get
   {
      string codeBase = Assembly.GetExecutingAssembly().CodeBase;
      UriBuilder uri = new UriBuilder(codeBase);
      string path = Uri.UnescapeDataString(uri.Path);
      return Path.GetDirectoryName(path);
   }
}
//Here AssemblyDirectory is a string property, which also represents the directory of the current project.