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Gets or sets the path of the workbook file represented by this workbook object.
Use this property to retrieve the path information associated with the current workbook. To get the workbook name together with its path, use FullName.
public string Path { get; set; }
Public Property Path As String
workbook.Path = Environment.CurrentDirectory;
workbook.Name = "Report.xlsx";
string path = workbook.Path;
string fullName = workbook.FullName;