Updated the main form's tools to include an option to delete the entire active year. Tweaked the ListViews in the three tool forms to disallow multi-select and made a slight change to the behavior of the filter combo box.

AdvertsingProfitControl/App.config

@@ -15,7 +15,6 @@
     </providers>
   </entityFramework>
   <connectionStrings>
-    <add name="AdvertisingProfitControlContext" connectionString="data source=(LocalDb)\MSSQLLocalDB;initial catalog=AdvertisingProfitControl;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework" providerName="System.Data.SqlClient" />
     <add name="AdvertisingProfitControlDbContext" connectionString="data source=(LocalDb)\MSSQLLocalDB;initial catalog=AdvertisingProfitControl;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework" providerName="System.Data.SqlClient" />
   </connectionStrings>
 </configuration>

AdvertsingProfitControl/FrmMain.Designer.cs

@@ -40,7 +40,7 @@
             this.toolsMainMenu = new System.Windows.Forms.ToolStripMenuItem();
             this.clearRecordToolsMainMenu = new System.Windows.Forms.ToolStripMenuItem();
             this.clearCurrentRecordSelectedDateToolsMainMenu = new System.Windows.Forms.ToolStripMenuItem();
-            this.selectRangeToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.clearCurrentActiveYearTools = new System.Windows.Forms.ToolStripMenuItem();
             this.manageItemsToolsMainMenu = new System.Windows.Forms.ToolStripMenuItem();
             this.manageSuppliersToolsMainMenu = new System.Windows.Forms.ToolStripMenuItem();
             this.adSpecialKeyWordsToolsMainMenu = new System.Windows.Forms.ToolStripMenuItem();
@@ -220,7 +220,7 @@
             // 
             this.clearRecordToolsMainMenu.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.clearCurrentRecordSelectedDateToolsMainMenu,
-            this.selectRangeToolStripMenuItem});
+            this.clearCurrentActiveYearTools});
             this.clearRecordToolsMainMenu.Name = "clearRecordToolsMainMenu";
             this.clearRecordToolsMainMenu.Size = new System.Drawing.Size(282, 34);
             this.clearRecordToolsMainMenu.Text = "&Clear Record(s)";
@@ -228,16 +228,16 @@
             // clearCurrentRecordSelectedDateToolsMainMenu
             // 
             this.clearCurrentRecordSelectedDateToolsMainMenu.Name = "clearCurrentRecordSelectedDateToolsMainMenu";
-            this.clearCurrentRecordSelectedDateToolsMainMenu.Size = new System.Drawing.Size(244, 34);
+            this.clearCurrentRecordSelectedDateToolsMainMenu.Size = new System.Drawing.Size(272, 34);
             this.clearCurrentRecordSelectedDateToolsMainMenu.Text = "C&urrent Record";
             this.clearCurrentRecordSelectedDateToolsMainMenu.Click += new System.EventHandler(this.ClearCurrentRecord);
             // 
-            // selectRangeToolStripMenuItem
+            // clearCurrentActiveYearTools
             // 
-            this.selectRangeToolStripMenuItem.Name = "selectRangeToolStripMenuItem";
+            this.clearCurrentActiveYearTools.Name = "clearCurrentActiveYearTools";
-            this.selectRangeToolStripMenuItem.Size = new System.Drawing.Size(244, 34);
+            this.clearCurrentActiveYearTools.Size = new System.Drawing.Size(272, 34);
-            this.selectRangeToolStripMenuItem.Text = "Select Ran&ge...";
+            this.clearCurrentActiveYearTools.Text = "Clear Current &Year";
-            this.selectRangeToolStripMenuItem.Click += new System.EventHandler(this.DisplayRecordDeletionRangeForm);
+            this.clearCurrentActiveYearTools.Click += new System.EventHandler(this.ClearActiveDateYearRecords);
             // 
             // manageItemsToolsMainMenu
             // 
@@ -249,7 +249,7 @@
             // manageSuppliersToolsMainMenu
             // 
             this.manageSuppliersToolsMainMenu.Name = "manageSuppliersToolsMainMenu";
-            this.manageSuppliersToolsMainMenu.Size = new System.Drawing.Size(286, 34);
+            this.manageSuppliersToolsMainMenu.Size = new System.Drawing.Size(282, 34);
             this.manageSuppliersToolsMainMenu.Text = "Manage &Suppliers";
             this.manageSuppliersToolsMainMenu.Click += new System.EventHandler(this.manageSuppliersToolsMainMenu_Click);
             // 
@@ -1105,7 +1105,7 @@
         private System.Windows.Forms.ToolStripMenuItem reportsMainMenu;
         private System.Windows.Forms.ToolStripMenuItem manageSuppliersToolsMainMenu;
         private System.Windows.Forms.ToolStripMenuItem clearCurrentRecordSelectedDateToolsMainMenu;
-        private System.Windows.Forms.ToolStripMenuItem selectRangeToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem clearCurrentActiveYearTools;
     }
 }
 

AdvertsingProfitControl/FrmMain.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Data.Entity.Core;
 using System.Data.Entity.Infrastructure;
 using System.Drawing;
 using System.Drawing.Printing;
@@ -231,11 +232,6 @@ namespace AdvertsingProfitControl
             }
         }
 
-        private void DisplayRecordDeletionRangeForm(object sender, EventArgs e)
-        {
-            //TODO: Create a form to allow the user to delete a range of dates.
-        }
-
         private void DisplayAdItemManager(object sender, EventArgs e)
         {
             var adItemManager = new FrmManageAdItems();
@@ -884,6 +880,8 @@ namespace AdvertsingProfitControl
                 modifyRecordMainMenu.ToolTipText = string.Empty;
                 clearCurrentRecordSelectedDateToolsMainMenu.Enabled = true;
                 clearCurrentRecordSelectedDateToolsMainMenu.ToolTipText = string.Empty;
+                clearCurrentActiveYearTools.Enabled = true;
+                clearCurrentActiveYearTools.ToolTipText = string.Empty;
             }
             else
             {
@@ -892,6 +890,8 @@ namespace AdvertsingProfitControl
                 modifyRecordMainMenu.ToolTipText = @"There are no records to modify.";
                 clearCurrentRecordSelectedDateToolsMainMenu.Enabled = false;
                 clearCurrentRecordSelectedDateToolsMainMenu.ToolTipText = @"There is no date to clear.";
+                clearCurrentActiveYearTools.Enabled = false;
+                clearCurrentActiveYearTools.ToolTipText = @"There are no records to clear.";
             }
         }
 
@@ -928,5 +928,170 @@ namespace AdvertsingProfitControl
         }
 
         #endregion
+
+        private void ClearActiveDateYearRecords(object sender, EventArgs e)
+        {
+            var result = MessageBox.Show(@"Are you sure you want to remove all records for the year of " + _currentActiveDate.Year + @"? This cannot be undone!", @"Clear " + _currentActiveDate.Year + @"'s Records", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation);
+            if (result != DialogResult.Yes) return;
+            var db = new AdvertisingProfitControlModel();
+            var distinctYears = db.WeekEndingDates.Select(x => x.EndingDate.Year).Distinct().ToArray();
+            if (distinctYears.Length == 1)
+            {
+                result = MessageBox.Show(_currentActiveDate.Year + @" appears to be the only year, clearing it will wipe all data in the database. Are you sure you wish to continue?", @"Clear " + _currentActiveDate.Year + @"'s Records", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation);
+                if (result != DialogResult.Yes) return;
+            }
+            if (ClearSelectedDate(_currentActiveDate.Year))
+            {
+                RefreshDateListing();
+            }
+            else
+            {
+                MessageBox.Show(@"Failed to clear the records for " + _currentActiveDate.Year + @".", @"Update Error",
+                    MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        #region Writing Operations
+
+        private bool ClearSelectedDate(int year)
+        {
+            var db = new AdvertisingProfitControlModel();
+            var status = true;
+
+            using (var scope = new TransactionScope())
+            {
+                try
+                {
+                    var dateRecords = db.WeekEndingDates.Select(x => x).Where(x => x.EndingDate.Year == year).ToArray();
+                    foreach (var dateRecord in dateRecords)
+                    {
+                        ClearProjectionRecords(dateRecord);
+                        ClearInventoyRecords(dateRecord);
+                        ClearActualSalesRecords(dateRecord);
+                        ClearInvoices(dateRecord);
+                        ClearWeeklySales(dateRecord);
+                        ClearTaxableRecords(dateRecord);
+                        ClearCostAnalysisRecords(dateRecord);
+                        ClearCommentsRecords(dateRecord);
+                        db.WeekEndingDates.Remove(dateRecord);
+                    }
+                    db.SaveChanges();
+                    scope.Complete();
+                }
+                catch (DbUpdateException e)
+                {
+                    _console.WriteToLog(FrmLogConsole.Level.Error, e.Message);
+                    status = false;
+                }
+            }
+
+            return status;
+        }
+
+        private void ClearProjectionRecords(WeekEndingDate dateRecord)
+        {
+            var db = new AdvertisingProfitControlModel();
+
+            using (var scope = new TransactionScope())
+            {
+                var projections = db.Projections.Select(x => x).Where(x => x.FkDateId == dateRecord.Id);
+                db.Projections.RemoveRange(projections);
+                db.SaveChanges();
+                scope.Complete();
+            }
+        }
+
+        private void ClearInventoyRecords(WeekEndingDate dateRecord)
+        {
+            var db = new AdvertisingProfitControlModel();
+
+            using (var scope = new TransactionScope())
+            {
+                var inventories = db.Inventories.Select(x => x).Where(x => x.FkDateId == dateRecord.Id);
+                db.Inventories.RemoveRange(inventories);
+                db.SaveChanges();
+                scope.Complete();
+            }
+        }
+
+        private void ClearActualSalesRecords(WeekEndingDate dateRecord)
+        {
+            var db = new AdvertisingProfitControlModel();
+
+            using (var scope = new TransactionScope())
+            {
+                var actualSales = db.ActualSales.Select(x => x).Where(x => x.FkDateId == dateRecord.Id);
+                db.ActualSales.RemoveRange(actualSales);
+                db.SaveChanges();
+                scope.Complete();
+            }
+        }
+
+        private void ClearInvoices(WeekEndingDate dateRecord)
+        {
+            var db = new AdvertisingProfitControlModel();
+
+            using (var scope = new TransactionScope())
+            {
+                var invoices = db.Invoices.Select(x => x).Where(x => x.FkDateId == dateRecord.Id);
+                db.Invoices.RemoveRange(invoices);
+                db.SaveChanges();
+                scope.Complete();
+            }
+        }
+
+        private void ClearWeeklySales(WeekEndingDate dateRecord)
+        {
+            var db = new AdvertisingProfitControlModel();
+
+            using (var scope = new TransactionScope())
+            {
+                var weeklySales = db.WeeklySales.Select(x => x).Where(x => x.FkDateId == dateRecord.Id);
+                db.WeeklySales.RemoveRange(weeklySales);
+                db.SaveChanges();
+                scope.Complete();
+            }
+        }
+
+        private void ClearTaxableRecords(WeekEndingDate dateRecord)
+        {
+            var db = new AdvertisingProfitControlModel();
+
+            using (var scope = new TransactionScope())
+            {
+                var taxables = db.Taxables.Select(x => x).Where(x => x.FkDateId == dateRecord.Id);
+                db.Taxables.RemoveRange(taxables);
+                db.SaveChanges();
+                scope.Complete();
+            }
+        }
+
+        private void ClearCostAnalysisRecords(WeekEndingDate dateRecord)
+        {
+            var db = new AdvertisingProfitControlModel();
+
+            using (var scope = new TransactionScope())
+            {
+                var costAnalysis = db.CostAnalysis.Select(x => x).Where(x => x.FkDateId == dateRecord.Id);
+                db.CostAnalysis.RemoveRange(costAnalysis);
+                db.SaveChanges();
+                scope.Complete();
+            }
+        }
+
+        private void ClearCommentsRecords(WeekEndingDate dateRecord)
+        {
+            var db = new AdvertisingProfitControlModel();
+
+            using (var scope = new TransactionScope())
+            {
+                var comments = db.Notes.Select(x => x).Where(x => x.FkDateId == dateRecord.Id);
+                db.Notes.RemoveRange(comments);
+                db.SaveChanges();
+                scope.Complete();
+            }
+        }
+
+        #endregion
     }
 }

AdvertsingProfitControl/FrmManageAdItems.Designer.cs

@@ -44,6 +44,7 @@
             // adItemsListView
             // 
             this.adItemsListView.Location = new System.Drawing.Point(258, 12);
+            this.adItemsListView.MultiSelect = false;
             this.adItemsListView.Name = "adItemsListView";
             this.adItemsListView.Size = new System.Drawing.Size(452, 431);
             this.adItemsListView.TabIndex = 3;

AdvertsingProfitControl/FrmManageAdItems.cs

@@ -139,6 +139,7 @@ namespace AdvertsingProfitControl
             else
             {
                 adItemsListView.Columns[0].Text = @"No Ad Items to Display.";
+                filterComboBox.Enabled = false;
                 filterComboBox.SelectedIndex = 0;
             }
             removeAdItemButton.Enabled = false;

AdvertsingProfitControl/FrmManageSuppliers.Designer.cs

@@ -43,6 +43,7 @@
             // 
             this.suppliersListBox.HeaderStyle = System.Windows.Forms.ColumnHeaderStyle.Nonclickable;
             this.suppliersListBox.Location = new System.Drawing.Point(257, 12);
+            this.suppliersListBox.MultiSelect = false;
             this.suppliersListBox.Name = "suppliersListBox";
             this.suppliersListBox.Size = new System.Drawing.Size(423, 412);
             this.suppliersListBox.TabIndex = 16;

AdvertsingProfitControl/FrmRegisterAdSpecial.Designer.cs

@@ -107,6 +107,7 @@
             // 
             this.adSpecialsListBox.HeaderStyle = System.Windows.Forms.ColumnHeaderStyle.Nonclickable;
             this.adSpecialsListBox.Location = new System.Drawing.Point(260, 21);
+            this.adSpecialsListBox.MultiSelect = false;
             this.adSpecialsListBox.Name = "adSpecialsListBox";
             this.adSpecialsListBox.Size = new System.Drawing.Size(420, 401);
             this.adSpecialsListBox.TabIndex = 8;

SetupProject/Product.wxs

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
 	<Product Id="*" Name="Advertising Profit Control" Language="1033" Version="0.1.0.0" Manufacturer="Garritt McCune" UpgradeCode="a416a558-d7c0-4f24-8b1e-2d01761ad15f">
-		<Package InstallerVersion="200" Compressed="yes" InstallScope="perMachine" />
+		<Package InstallerVersion="200" Compressed="yes" InstallScope="perMachine" Description="Custom Profit Control Recording Software" Comments="Profit Control Recording Software"/>
 		<MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />
     <!--Not set by default, EmbedCab="yes" embeds the cabinet file into the installer-->
 		<MediaTemplate EmbedCab="yes"/>
@@ -12,6 +12,7 @@
     <!--There are no select features options with this install dialog.-->
     <Property Id="WIXUI_INSTALLDIR" Value="INSTALLFOLDER" />
     <UIRef Id="WixUI_InstallDir" />
+    <!--Define the icons used in the installer dialogs-->
     <WixVariable Id="WixUILicenseRtf" Value="License.rtf" />
     <WixVariable Id="WixUIBannerBmp" Value="Banner.bmp" />
     <WixVariable Id="WixUIDialogBmp" Value="Dialog.bmp" />