Added a tool to remove an entire date and all records associated with it. Updated row deletion code to handle unbalanced tables or missing row IDs.

AdvertsingProfitControl/FrmMain.cs

@@ -157,7 +157,7 @@ namespace AdvertsingProfitControl
 
         private void modifyRecordMainMenu_Click(object sender, EventArgs e)
         {
-            var form = new NewModifyRecord(monthCalendar.SelectionStart);
+            var form = new NewModifyRecord(_currentActiveDate);
             form.ShowDialog();
             //On return reload the date that was just modified by the modify record form.
             LoadDate(monthCalendar.SelectionStart);
@@ -1235,6 +1235,42 @@ namespace AdvertsingProfitControl
             var databaseReader = new DatabaseReader();
             monthCalendar.BoldedDates = databaseReader.RetrieveDates(databaseTracker.DatabaseConnectionString).ToArray();
         }
+
+        public enum FormDefaultRoll
+        {
+            AddNewRecord = 0,
+            ModifyExistingRecord = 1
+        }
+
+        private void clearSelectedDateToolsMainMenu_Click(object sender, EventArgs e)
+        {
+            var result = MessageBox.Show(@"Are you sure you want to delete all records for the date " + _currentActiveDate.ToShortDateString() + @"?", @"Clear Date", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
+            if (result == DialogResult.No)
+            {
+                return;
+            }
+            var dbT = new DatabaseTracker();
+            var dbW = new DatabaseWriter(dbT.DatabaseConnectionString);
+            var dbR = new DatabaseReader();
+            var dateId = dbR.RetrieveDateIdByDateString(_currentActiveDate.ToShortDateString(), dbT.DatabaseConnectionString);
+            if (dateId != 0)
+            {
+                if (dbW.ClearDateById(dateId))
+                {
+                    RefreshDateListing();
+                    var date = dbR.RetrieveMostRecentDate(dbT.DatabaseConnectionString);
+                    LoadDate(date);
+                }
+                else
+                {
+                    errorLabel.Text = @"Failed to clear the selected date.";
+                }
+            }
+            else
+            {
+                errorLabel.Text = @"Failed to get the date ID number.";
+            }
+        }
     }
 }
     //http://stackoverflow.com/questions/487661/how-do-i-suspend-painting-for-a-control-and-its-children