private void GranulometryTableForm_Load(object sender, EventArgs e)
        {
            lblMessage.Text = "";
            _selectedColumns = new List<TableSelectedColumns>();

            if (Table == null)
            {
                Table = new GranulometryItemTable();
            }

            loadFeaureLayers();

            if (this.isUpdate) loadSavedValues();
        }
        private void btnCancel_Click(object sender, EventArgs e)
        {
            if (!this.isUpdate)
            {
                Table = null;
            }

            this.Close();
        }
 public GranulometryTableForm(GranulometryItemTable item)
 {
     InitializeComponent();
     this.Table = item;
     this.isUpdate = true;
 }
 private void btnDeleteTable_Click(object sender, EventArgs e)
 {
     isUpdate = true;
     Table = null;
     this.Close();
 }