VAGSuite.frmProjectSelection.GetProjectName C# (CSharp) Метод

        public string GetProjectName()
        {
            string retval = string.Empty;
            if (gridView1.SelectedRowsCount > 0)
            {
                int[] rows = gridView1.GetSelectedRows();
                if (rows.Length > 0)
                {
                    DataRowView dv = (DataRowView)gridView1.GetRow(Convert.ToInt32(rows.GetValue(0)));
                     if (dv != null)
                     {
                         //sh.Varname = dv.Row["SYMBOLNAME"].ToString();
                         if (dv.Row["Projectname"] != DBNull.Value)
                         {
                             retval = dv.Row["Projectname"].ToString();
                         }
                     }
                }
            }
            return retval;
        }

        private void btnOpenProject_ItemClick(object sender, ItemClickEventArgs e)
        {
            //let the user select a project from the Project folder. If none are present, let the user know
            if (!Directory.Exists(m_appSettings.ProjectFolder)) Directory.CreateDirectory(m_appSettings.ProjectFolder);
            System.Data.DataTable ValidProjects = new System.Data.DataTable();
            ValidProjects.Columns.Add("Projectname");
            ValidProjects.Columns.Add("NumberBackups");
            ValidProjects.Columns.Add("NumberTransactions");
            ValidProjects.Columns.Add("DateTimeModified");
            ValidProjects.Columns.Add("Version");
            string[] projects = Directory.GetDirectories(m_appSettings.ProjectFolder);
            // filter for folders with a projectproperties.xml file
            foreach (string project in projects)
            {
                string[] projectfiles = Directory.GetFiles(project, "projectproperties.xml");

                if (projectfiles.Length > 0)
                {
                    System.Data.DataTable projectprops = new System.Data.DataTable("T5PROJECT");
                    projectprops.Columns.Add("CARMAKE");
                    projectprops.Columns.Add("CARMODEL");
                    projectprops.Columns.Add("CARMY");
                    projectprops.Columns.Add("CARVIN");
                    projectprops.Columns.Add("NAME");
                    projectprops.Columns.Add("BINFILE");
                    projectprops.Columns.Add("VERSION");
                    projectprops.ReadXml((string)projectfiles.GetValue(0));
                    // valid project, add it to the list
                    if (projectprops.Rows.Count > 0)
                    {
                        string projectName = projectprops.Rows[0]["NAME"].ToString();
                        ValidProjects.Rows.Add(projectName, GetNumberOfBackups(projectName), GetNumberOfTransactions(projectName), GetLastAccessTime(projectprops.Rows[0]["BINFILE"].ToString()), projectprops.Rows[0]["VERSION"].ToString());
                    }
                }
            }
            if (ValidProjects.Rows.Count > 0)
            {
                frmProjectSelection projselection = new frmProjectSelection();
                projselection.SetDataSource(ValidProjects);
                if (projselection.ShowDialog() == DialogResult.OK)
                {
                    string selectedproject = projselection.GetProjectName();
                    if (selectedproject != "")
                    {
                        OpenProject(selectedproject);
                    }

                }
            }
            else
            {
                frmInfoBox info = new frmInfoBox("No projects were found, please create one first!");
            }
        }