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; }