WPF C# ComboBox with DataBind

Step - 1 (XAML)

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<ComboBox HorizontalAlignment="Left" Margin="168,54,0,0" VerticalAlignment="Top" Width="197" x:Name="cmbProductCat"> <ComboBox.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> <TextBlock Text="{Binding CategoryTitle}" Width="60"/> <!--<TextBlock Text="|"/> <TextBlock Text="{Binding DepartmentName}" Width="60"/>--> </StackPanel> </DataTemplate> </ComboBox.ItemTemplate> </ComboBox>

Step - 2 (UI Code)

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private void LoadProductCatComboBox() { cmbProductCat.Items.Clear(); _productCategoryInfoList = _productCategoryInfoManager.LoadAllProductCategoryInfo(); foreach (ProductCategoryInfo pCatInf in _productCategoryInfoList) { cmbProductCat.ItemsSource = _productCategoryInfoList; } }

Step - 3 (BLL)

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public List<ProductCategoryInfo> LoadAllProductCategoryInfo() { return productCatInfoGetway.LoadAllProductCategoryInfo(); }

Step -4 (DAL)

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public List<ProductCategoryInfo> LoadAllProductCategoryInfo() { List<ProductCategoryInfo> productCategoryInfoList = new List<ProductCategoryInfo>(); foreach (var p in (from c in dataContext.tbl_ProductCategories select c).Distinct()) { ProductCategoryInfo productCatInfoObj = new ProductCategoryInfo(); productCatInfoObj.Id = p.ID; productCatInfoObj.CategoryTitle = p.CategoriesTitle; productCategoryInfoList.Add(productCatInfoObj); } return productCategoryInfoList; }

WPF C# Data Save, Update and Delete with 3 layer architecture - Part 4(UI) - Final Part

In this Final Part we will design our UI and complete our Save, Delete & Update operation.
Our Final UI will look like the image below.

Here is XAML code:

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<Grid> <Grid.RowDefinitions> <RowDefinition/> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition/> </Grid.ColumnDefinitions> <Button x:Name="btnNewCustomer" Content="New Customer" HorizontalAlignment="Left" Margin="572,646,0,0" Width="125" Height="30" Click="btnNewCustomer_Click" VerticalAlignment="Top"/> <Button x:Name="btnSaveCustomer" Content="Save Customer" HorizontalAlignment="Left" Margin="727,646,0,0" Width="125" Height="30" Click="btnSaveCustomer_Click" VerticalAlignment="Top"/> <Button x:Name="btnDeleteCustomer" Content="Delete Customer" HorizontalAlignment="Left" Margin="891,646,0,0" Width="125" Height="30" Click="btnDeleteCustomer_Click" VerticalAlignment="Top"/> <Button x:Name="btnClose" Content="Close" HorizontalAlignment="Left" Margin="1057,646,0,0" Width="125" Height="30" Click="btnClose_Click" VerticalAlignment="Top"/> <Label Content="Customer Information Form" HorizontalAlignment="Left" Margin="447,9,0,0" VerticalAlignment="Top" Background="{x:Null}" Foreground="#FF41B1E1" FontFamily="Lucida Calligraphy" FontSize="34" FontWeight="Bold" FontStyle="Italic" Width="642" Height="55"/> <GroupBox Header="Customer List" HorizontalAlignment="Left" Margin="378,70,0,0" VerticalAlignment="Top" Height="557" Width="957"/> <ListView HorizontalAlignment="Left" Height="473" Margin="399,139,0,0" VerticalAlignment="Top" Width="921" x:Name="CustomerInfoListView" MouseDoubleClick="CustomerInfoListView_MouseDoubleClick"> <ListView.ContextMenu> <ContextMenu x:Name="lstCustomerInfo" StaysOpen="True" Background="WhiteSmoke"> <ContextMenu.BitmapEffect> <BitmapEffectGroup/> </ContextMenu.BitmapEffect> <MenuItem Header="Edit" x:Name="EditProgramContexMenu" Click="EditProgramContexMenu_Click"/> <MenuItem Header="Rmove" x:Name="RemoveProgramContexMenu" Click="RemoveProgramContexMenu_Click"/> </ContextMenu> </ListView.ContextMenu> <ListView.View> <GridView AllowsColumnReorder="True"> <GridViewColumn DisplayMemberBinding="{Binding Id}" Header="" Width="0"/> <GridViewColumn DisplayMemberBinding="{Binding CustomerName}" Header="Customer Name" Width="220"/> <GridViewColumn DisplayMemberBinding="{Binding CustomerAddress}" Header="Customer Address" Width="280"/> <GridViewColumn DisplayMemberBinding="{Binding CustomerMobile}" Header="Customer Mobile Number" Width="160"/> <GridViewColumn DisplayMemberBinding="{Binding CustomerEmail}" Header="Customer Email Address" Width="220"/> </GridView> </ListView.View> </ListView> <Label Content="Search Customer :" HorizontalAlignment="Left" Margin="396,101,0,0" VerticalAlignment="Top"/> <TextBox x:Name="txtCustomerSearch" Controls:TextboxHelper.Watermark="Search by Name" Controls:TextboxHelper.ClearTextButton="True" HorizontalAlignment="Left" Height="23" Margin="514,105,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="160"/> <GroupBox Header="Customer Information" HorizontalAlignment="Left" Height="557" Margin="10,70,0,0" VerticalAlignment="Top" Width="363"> <Grid HorizontalAlignment="Left" Height="514" Margin="0,0,-2,0" VerticalAlignment="Top" Width="353"> <Label Content="Customer Name :" HorizontalAlignment="Left" Margin="6,3,0,0" VerticalAlignment="Top" Height="26" Width="102" Foreground="Black" Background="{x:Null}" FontFamily="Arial Unicode MS"/> <TextBox x:Name="txtCustomerName" Controls:TextboxHelper.Watermark="Kazi Obaydollah" Controls:TextboxHelper.ClearTextButton="True" HorizontalAlignment="Left" Height="23" TextWrapping="Wrap" VerticalAlignment="Top" Width="200" Margin="147,6,0,0" TextChanged="txtCustomerName_TextChanged"/> <Label Content="Customer Address :" HorizontalAlignment="Left" Margin="6,34,0,0" VerticalAlignment="Top" Foreground="Black" Background="{x:Null}" FontFamily="Arial Unicode MS" Height="26" Width="116"/> <TextBox x:Name="txtCustomerAddress" Controls:TextboxHelper.Watermark="Dhaka" Controls:TextboxHelper.ClearTextButton="True" HorizontalAlignment="Left" Height="75" Margin="147,37,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="200" AcceptsReturn="True"/> <Label Content="Phone Number :" HorizontalAlignment="Left" Margin="6,116,0,0" VerticalAlignment="Top" Foreground="Black" Background="{x:Null}" FontFamily="Arial Unicode MS" Height="26" Width="97"/> <TextBox x:Name="txtCustomerPhone" Controls:TextboxHelper.Watermark="12345678912" Controls:TextboxHelper.ClearTextButton="True" HorizontalAlignment="Left" Height="23" Margin="147,119,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="200"/> <Label Content="Mobile Number :" HorizontalAlignment="Left" Margin="6,147,0,0" VerticalAlignment="Top" Foreground="Black" Background="{x:Null}" FontFamily="Arial Unicode MS" Height="26" Width="98"/> <TextBox x:Name="txtCustomerMobile" Controls:TextboxHelper.Watermark="12345678912" Controls:TextboxHelper.ClearTextButton="True" HorizontalAlignment="Left" Height="23" Margin="147,150,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="200"/> <Label Content="FAX Number :" HorizontalAlignment="Left" Margin="6,178,0,0" VerticalAlignment="Top" Foreground="Black" Background="{x:Null}" FontFamily="Arial Unicode MS" Height="26" Width="86"/> <TextBox x:Name="txtCustomerFax" Controls:TextboxHelper.Watermark="12345678912" Controls:TextboxHelper.ClearTextButton="True" HorizontalAlignment="Left" Height="23" Margin="147,181,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="200"/> <Label Content="Email Address :" HorizontalAlignment="Left" Margin="6,209,0,0" VerticalAlignment="Top" Foreground="Black" Background="{x:Null}" FontFamily="Arial Unicode MS" Height="26" Width="94"/> <TextBox x:Name="txtCustomerEmail" Controls:TextboxHelper.Watermark="info@4ditsolution.com" Controls:TextboxHelper.ClearTextButton="True" HorizontalAlignment="Left" Height="23" Margin="147,212,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="200"/> <Label Content="Note :" HorizontalAlignment="Left" Margin="6,240,0,0" VerticalAlignment="Top" Foreground="Black" Background="{x:Null}" FontFamily="Arial Unicode MS" Height="26" Width="42"/> <TextBox x:Name="txtCustomerNote" Controls:TextboxHelper.Watermark="Type Your Note Here" Controls:TextboxHelper.ClearTextButton="True" HorizontalAlignment="Left" Height="77" Margin="147,244,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="200" AcceptsReturn="True"/> </Grid> </GroupBox> </Grid>

And here is C# code:

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Shapes; using MahApps.Metro.Controls; using MahApps.Metro.Controls.Dialogs; using BLL; using ENTITY; namespace JSMS.UI { /// <summary> /// Interaction logic for CustomerInfo.xaml /// </summary> public partial class CustomerInfoUI : MetroWindow { CustomerInfo _customerInfoObj = new CustomerInfo(); CustomerInfoManager _customerInfManagerObj = new CustomerInfoManager(); List<CustomerInfo> _customerInfoList = new List<CustomerInfo>(); public CustomerInfoUI() { InitializeComponent(); LoadAllCustomerInfo(); btnSaveCustomer.IsEnabled = false; btnDeleteCustomer.IsEnabled = false; } //Close Button Event private void btnClose_Click(object sender, RoutedEventArgs e) { test testWindow = new test(); testWindow.Show(); this.Close(); } //New Button Event private void btnNewCustomer_Click(object sender, RoutedEventArgs e) { txtCustomerName.Text = ""; txtCustomerAddress.Text = ""; txtCustomerPhone.Text = ""; txtCustomerMobile.Text = ""; txtCustomerFax.Text = ""; txtCustomerEmail.Text = ""; txtCustomerNote.Text = ""; } //Save Customer private void btnSaveCustomer_Click(object sender, RoutedEventArgs e) { if (btnSaveCustomer.Content.ToString() == "Save Customer") { _customerInfoObj.CustomerName = txtCustomerName.Text; _customerInfoObj.CustomerAddress = txtCustomerAddress.Text; _customerInfoObj.CustomerPhone = txtCustomerPhone.Text; _customerInfoObj.CustomerMobile = txtCustomerMobile.Text; _customerInfoObj.CustomerFax = txtCustomerFax.Text; _customerInfoObj.CustomerEmail = txtCustomerEmail.Text; _customerInfoObj.CustomerNote = txtCustomerNote.Text; _customerInfManagerObj.SaveCustomerInfo(_customerInfoObj); txtCustomerName.Text = ""; txtCustomerAddress.Text = ""; txtCustomerPhone.Text = ""; txtCustomerMobile.Text = ""; txtCustomerFax.Text = ""; txtCustomerEmail.Text = ""; txtCustomerNote.Text = ""; this.ShowMessageAsync("Confirmation", "Customer data is successfully saved"); //MessageBox.Show("Customer data is successfully saved", "Confirmation"); LoadAllCustomerInfo(); } if (btnSaveCustomer.Content.ToString() == "Update Customer") // Update Customer { _customerInfoObj.CustomerName = txtCustomerName.Text; _customerInfoObj.CustomerAddress = txtCustomerAddress.Text; _customerInfoObj.CustomerPhone = txtCustomerPhone.Text; _customerInfoObj.CustomerMobile = txtCustomerMobile.Text; _customerInfoObj.CustomerFax = txtCustomerFax.Text; _customerInfoObj.CustomerEmail = txtCustomerEmail.Text; _customerInfoObj.CustomerNote = txtCustomerNote.Text; _customerInfManagerObj.UpdateCustomerInfo(_customerInfoObj); txtCustomerName.Text = ""; txtCustomerAddress.Text = ""; txtCustomerPhone.Text = ""; txtCustomerMobile.Text = ""; txtCustomerFax.Text = ""; txtCustomerEmail.Text = ""; txtCustomerNote.Text = ""; this.ShowMessageAsync("Confirmation", "Customer data is successfully Update"); //MessageBox.Show("Customer data is successfully Update", "Confirmation"); btnSaveCustomer.Content = "Save Customer"; btnSaveCustomer.IsEnabled = false; } } //Load data to ListView private void LoadAllCustomerInfo() { _customerInfoList = new List<CustomerInfo>(); _customerInfoList = _customerInfManagerObj.LoadAllCustomerInfo(); CustomerInfoListView.Items.Clear(); if (_customerInfoList.Count > 0) { foreach (var item in _customerInfoList) { CustomerInfoListView.Items.Add(item); } } } //Edit Context Menu code private void EditProgramContexMenu_Click(object sender, RoutedEventArgs e) { btnSaveCustomer.IsEnabled = true; _customerInfoObj = new CustomerInfo(); _customerInfoObj = ((CustomerInfo)CustomerInfoListView.SelectedItem); txtCustomerName.Text = _customerInfoObj.CustomerName; txtCustomerAddress.Text = _customerInfoObj.CustomerAddress; txtCustomerPhone.Text = _customerInfoObj.CustomerPhone; txtCustomerMobile.Text = _customerInfoObj.CustomerMobile; txtCustomerFax.Text = _customerInfoObj.CustomerFax; txtCustomerEmail.Text = _customerInfoObj.CustomerEmail; txtCustomerNote.Text = _customerInfoObj.CustomerNote; btnSaveCustomer.Content = "Update Customer"; } //Remove data from database private void RemoveProgramContexMenu_Click(object sender, RoutedEventArgs e) { _customerInfoObj = new CustomerInfo(); _customerInfoObj = ((CustomerInfo)CustomerInfoListView.SelectedItem); _customerInfManagerObj.DeleteCustomerInfo(_customerInfoObj); LoadAllCustomerInfo(); } //Remove data from database private void btnDeleteCustomer_Click(object sender, RoutedEventArgs e) { _customerInfoObj = new CustomerInfo(); _customerInfoObj = ((CustomerInfo)CustomerInfoListView.SelectedItem); _customerInfManagerObj.DeleteCustomerInfo(_customerInfoObj); LoadAllCustomerInfo(); } private void txtCustomerName_TextChanged(object sender, TextChangedEventArgs e) { btnSaveCustomer.IsEnabled = true; } //Send data to another form private void CustomerInfoListView_MouseDoubleClick(object sender, MouseButtonEventArgs e) { if (CustomerInfoListView.SelectedIndex > -1) { this.DialogResult = true; } } } }

WPF C# Data Save, Update and Delete with 3 layer architecture - Part 3(BLL Class)

In BLL class library, add two references of DAL & ENTITY, Now use this code.

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using DAL; using ENTITY; namespace BLL { public class CustomerInfoManager { CustomerInfoGetway customerInfoGetwayObj = new CustomerInfoGetway(); public void SaveCustomerInfo(CustomerInfo _customerInfoObj) { customerInfoGetwayObj.SaveCustomerInfo(_customerInfoObj); } public List<CustomerInfo> LoadAllCustomerInfo() { return customerInfoGetwayObj.LoadAllCustomerInfo(); } public void UpdateCustomerInfo(CustomerInfo _customerInfoObj) { customerInfoGetwayObj.UpdateCustomerInfo(_customerInfoObj); } public void DeleteCustomerInfo(CustomerInfo _customerInfoObj) { customerInfoGetwayObj.DeleteCustomerInfo(_customerInfoObj); } } }

WPF C# Data Save, Update and Delete with 3 layer architecture - Part 2(DAL Class)

In DAL Class Library Project, add a class and name it CustomerInfoGetway.cs
First add two references of DAL & ENTITY. Now use this code.

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using DATA; using ENTITY; namespace DAL { public class CustomerInfoGetway { //Create object of my EntityFramework data model JSMSEntities dataContextObj = new JSMSEntities(); //Saving Customer Information public void SaveCustomerInfo(CustomerInfo _customerInfoObj) { var newCustomerInfo = new tbl_Customer { CustomerName = _customerInfoObj.CustomerName, CustomerAddress = _customerInfoObj.CustomerAddress, CustomerPhone = _customerInfoObj.CustomerPhone, CustomerMobile = _customerInfoObj.CustomerMobile, CustomerFax = _customerInfoObj.CustomerFax, CustomerEmail = _customerInfoObj.CustomerEmail, CustomerNote = _customerInfoObj.CustomerNote, }; dataContextObj.tbl_Customer.Add(newCustomerInfo); dataContextObj.SaveChanges(); } //Call data from database to ListView public List<CustomerInfo> LoadAllCustomerInfo() { dataContextObj = new JSMSEntities(); List<CustomerInfo> customerInfoList = new List<CustomerInfo>(); foreach (var c in (from p in dataContextObj.tbl_Customer select p).Distinct()) { CustomerInfo _customerInfoObj = new CustomerInfo(); _customerInfoObj.Id = c.ID; _customerInfoObj.CustomerName = c.CustomerName; _customerInfoObj.CustomerAddress = c.CustomerAddress; _customerInfoObj.CustomerPhone = c.CustomerPhone; _customerInfoObj.CustomerMobile = c.CustomerMobile; _customerInfoObj.CustomerFax = c.CustomerFax; _customerInfoObj.CustomerEmail = c.CustomerEmail; _customerInfoObj.CustomerNote = c.CustomerNote; customerInfoList.Add(_customerInfoObj); } return customerInfoList; } //Delete Customer Information public void DeleteCustomerInfo(CustomerInfo _customerInfoObj) { tbl_Customer customer = dataContextObj.tbl_Customer.First(c => c.ID == _customerInfoObj.Id); dataContextObj.tbl_Customer.Remove(customer); dataContextObj.SaveChanges(); } //Update Customer Information public void UpdateCustomerInfo(CustomerInfo _customerInfoObj) { var customerinfo = dataContextObj.tbl_Customer.First(c => c.ID == _customerInfoObj.Id); customerinfo.CustomerName = _customerInfoObj.CustomerName; customerinfo.CustomerAddress = _customerInfoObj.CustomerAddress; customerinfo.CustomerPhone = _customerInfoObj.CustomerPhone; customerinfo.CustomerMobile = _customerInfoObj.CustomerMobile; customerinfo.CustomerFax = _customerInfoObj.CustomerFax; customerinfo.CustomerEmail = _customerInfoObj.CustomerEmail; customerinfo.CustomerNote = _customerInfoObj.CustomerNote; dataContextObj.SaveChanges(); } } }

WPF C# Data Save, Update and Delete with 3 layer architecture - Part 1(Entity Class)

In ENTITY class library project, add a class and name it CustomerInfo.cs or whatever you want.
Now Use this code to your Entity class.

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ENTITY { public class CustomerInfo { private int id; public int Id { get { return id; } set { id = value; } } private string customerName; public string CustomerName { get { return customerName; } set { customerName = value; } } private string customerAddress; public string CustomerAddress { get { return customerAddress; } set { customerAddress = value; } } private string customerPhone; public string CustomerPhone { get { return customerPhone; } set { customerPhone = value; } } private string customerMobile; public string CustomerMobile { get { return customerMobile; } set { customerMobile = value; } } private string customerFax; public string CustomerFax { get { return customerFax; } set { customerFax = value; } } private string customerEmail; public string CustomerEmail { get { return customerEmail; } set { customerEmail = value; } } private string customerNote; public string CustomerNote { get { return customerNote; } set { customerNote = value; } } } }