$('#btnDeleteFiles').click(function () {
    var filesPaths = [];
    i = 0;
    $("input:checkbox[name=filed-checkedbox]:checked").each(function () {
        filesPaths[i] = $(this).val();
        i++;
    });

    //alert("filesPaths  =  " + filesPaths)
    var location = $('#ddlLocation option:selected').text();
    alert("Location = "+location)
    $.ajax({
        method: 'post',
        url: "GetAllFolderDetails.asmx/setDeleteFiles",
        data: {
            location: location,
            fileNames: filesPaths
        },

        dataType: "json",
        success: function (data) {
            window.location.reload(true);
            //alert("Success");

        },
        error: function (result) {
            alert("Error");
        }
    });
});

[WebMethod]
    public void setDeleteFiles(string location, string[] fileNames)
    {

        var locationID = 0;
        var domain = "domain";
        var username = "xxx";   //username
        var Password = "***";    //password

        Debug.WriteLine("Location = "+location);
        Debug.WriteLine("fileNames = " + fileNames);

        using (new ImpersonateUser(username , domain, Password))
        {
            Debug.WriteLine("Files names = "+ fileNames);
            foreach (string file in fileNames)
            {
                FileInfo files = new FileInfo(file);
                files.Delete();
            }
            JavaScriptSerializer js = new JavaScriptSerializer();
            Context.Response.Write(js.Serialize("Files are successfully Deleted"));
        }
    }