AyaNovaQBI/MapSelectQBItem.cs

@@ -17,12 +17,29 @@ namespace AyaNovaQBI
             InitializeComponent();
         }
         public ComboBox SelectCombo => cbQBItems;
-       public string SelectedQBItemName => ((DataRowView)cbQBItems.SelectedItem).Row[0].ToString();
-        public string SelectedQBItemId => ((DataRowView)cbQBItems.SelectedItem).Row[1].ToString();
+        public string SelectedQBItemName
+        {
+            get
+            {
+                if (ckNothing.Checked) return "<nothing / remove link>";
+                return ((DataRowView)cbQBItems.SelectedItem).Row[0].ToString();
+            }
+        }
+
+        public string SelectedQBItemId
+        {
+            get
+            {
+                if (ckNothing.Checked) return string.Empty;
+                return ((DataRowView)cbQBItems.SelectedItem).Row[1].ToString();
+            }
+        }
+
         public DataTable QBItems { get; set; }
         private void MapSelectQBItem_Load(object sender, EventArgs e)
         {
             cbQBItems.DataSource = QBItems;
+           
             cbQBItems.DisplayMember = "name";
             cbQBItems.ValueMember = "id";
             btnCancel.Text = util.AyaTranslations["Cancel"];
@@ -40,5 +57,10 @@ namespace AyaNovaQBI
             DialogResult = DialogResult.OK;
             Close();
         }
+
+        private void ckNothing_CheckedChanged(object sender, EventArgs e)
+        {
+            cbQBItems.Enabled = !ckNothing.Checked;
+        }
     }
 }