10: Putting It All Together in .NET

Encoding QR Code in .NET 10: Putting It All Together

10: Putting It All Together
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<AnonymousTemplate> <span class="WarningRoutine"> You are not logged in. Please click the login link to log in to this website. </span> </AnonymousTemplate> </asp:LoginView> <hr /> <asp:SiteMapDataSource ID="SiteMapDataSource1" runat="server" ShowStartingNode="false" /> <asp:Menu ID="Menu1" runat="server" DataSourceID="SiteMapDataSource1" CssClass="MenuText" /> </td> <td width="5px"> </td> <td width="700px" valign="top" bgcolor="yellow"> <asp:contentplaceholder id="ContentPlaceHolder1" runat="server" > </asp:contentplaceholder> </td> </tr> </table> </div> </form> </body> </html>
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Partial Class MasterPage Inherits System.Web.UI.MasterPage Public Property PageSubTitle( ) As Label Get Return lblPageSubTitle End Get Set(ByVal value As Label) lblPageSubTitle = value End Set End Property Protected Sub Page_Load(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles Me.Load If Page.User.Identity.IsAuthenticated = False Then Menu1.Enabled = False End If lblTime.Text = DateTime.Now.ToString( ) End Sub End Class
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Products Page
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<%@ Page Language="VB" MasterPageFile="~/MasterPage.master" AutoEventWireup="false" CodeFile="Products.aspx.vb" Inherits="Products" title="Products" %> <%@ MasterType TypeName="MasterPage" %> <asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server"> <asp:UpdatePanel id="UpdatePanel1" runat="server"> <ContentTemplate> <asp:SqlDataSource ID="sqlCategories" runat="server" ConnectionString= "<%$ ConnectionStrings:AdventureWorksConnectionString %>" SelectCommand="select Name, ProductCategoryID from Production.ProductCategory order by Name" > </asp:SqlDataSource> <asp:RadioButtonList ID="rblCategories" runat="server" DataSourceID="sqlCategories" RepeatDirection="Horizontal" DataTextField="Name" DataValueField="ProductCategoryID" CssClass="LabelSmall" AutoPostBack="True"> </asp:RadioButtonList> <asp:SqlDataSource id="sqlProducts" runat="server" ConnectionString= "<%$ ConnectionStrings:AdventureWorksConnectionString %>"> <SelectParameters> <asp:ControlParameter ControlID="rblCategories" Name="ProductCategoryID" PropertyName="SelectedValue" /> </SelectParameters> </asp:SqlDataSource> <asp:GridView id="gvProducts" runat="server" DataSourceID="sqlProducts" DataKeyNames="ProductID" AllowSorting="True" AllowPaging="True" AutoGenerateColumns="False" HeaderStyle-CssClass="TableColumnHeading" RowStyle-CssClass="TableCells"> <Columns> <asp:CommandField ShowSelectButton="True" ItemStyle-Width="50px" ControlStyle-CssClass="ButtonSelect" /> <asp:BoundField DataField="ProductID" HeaderText="ID" SortExpression="ProductID"> <ItemStyle Width="50px" /> </asp:BoundField> <asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name"> <ItemStyle Width="225px" /> </asp:BoundField> <asp:BoundField DataField="ProductNumber" HeaderText="Product Number" SortExpression="ProductNumber"> <ItemStyle Width="90px" />
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10: Putting It All Together
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</asp:BoundField> <asp:BoundField DataField="ListPrice" HeaderText="Cost" SortExpression="ListPrice" ItemStyle-CssClass="TableNumberDecimal" HeaderStyle-CssClass="TableColumnHeadingRight"> <ItemStyle Width="60px" /> </asp:BoundField> </Columns> </asp:GridView> <asp:Panel id="pnlProduct" runat="server" Visible="false"> <table width="100%"> <tr> <td valign="top"> <asp:Button id="btnAddToCart" runat="server" Text="Add To Cart" OnClick="btnAddToCart_Click" CssClass="ButtonText" /> <div class="ListHeading">Items In Cart</div> <asp:Label ID="lblCart" runat="server" CssClass="TextSmall" Width="90"/> </td> <td valign="top"> <asp:SqlDataSource id="sqlDetailsView" runat="server" ConnectionString= "<%$ ConnectionStrings:AdventureWorksConnectionString %>"> <SelectParameters> <asp:ControlParameter ControlID="gvProducts" Name="ProductID" PropertyName= "SelectedDataKey.Values['ProductID']" /> </SelectParameters> </asp:SqlDataSource> <asp:DetailsView id="DetailsView1" runat="server" DataSourceID="sqlDetailsView" DataKeyNames="ProductID" AutoGenerateRows="false" CssClass="TableCells" BorderWidth="0" FieldHeaderStyle-CssClass="TableRowHeading" CellSpacing="2" CellPadding="2" Width="500px" Height="50px"> <Fields> <asp:BoundField DataField="ProductID" HeaderText="Product ID:" SortExpression="ProductID" /> <asp:BoundField DataField="Name" HeaderText="Name:" SortExpression="Name" /> <asp:BoundField DataField="ProductNumber" HeaderText="Product #:" SortExpression="ProductNumber" /> <asp:BoundField DataField="ListPrice" HeaderText="Cost:" SortExpression="ListPrice" DataFormatString="{0:C}" HtmlEncode="false"/>
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<asp:BoundField DataField="Color" HeaderText="Color:" SortExpression="Color" /> <asp:BoundField DataField="CategoryName" HeaderText="Category:" SortExpression="CategoryName" /> <asp:BoundField DataField="SubcategoryName" HeaderText="SubCategory:" SortExpression="SubcategoryName" /> <asp:BoundField DataField="Description" HeaderText="Description:" SortExpression="Description" /> </Fields> </asp:DetailsView> </td> </tr> </table> </asp:Panel> </ContentTemplate> </asp:UpdatePanel> </asp:Content>
Partial Class Products Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles Me.Load If User.Identity.IsAuthenticated = False Then Response.Redirect("login.aspx") End If Me.Master.PageSubTitle.Text = "Products" Dim strCommand As String = String.Empty strCommand = "select ProductID, Name, ProductNumber, ListPrice from " + _ "Production.Product " strCommand += "where ProductSubcategoryID in " strCommand += "(select ProductSubcategoryID from " + _ "Production.ProductSubcategory " strCommand += "where ProductCategoryID = " strCommand += "@ProductCategoryID)" sqlProducts.SelectCommand = strCommand strCommand = String.Empty strCommand += "select product.*, subcat.ProductSubcategoryID, " + _ "subcat.Name as SubcategoryName, " strCommand += "cat.ProductCategoryID, cat.Name as CategoryName, " strCommand += "model.Name as ModelName, model.CatalogDescription, " + _ "model.Instructions, " strCommand += "description.Description " strCommand += "from Production.Product product "
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10: Putting It All Together
strCommand += "join Production.ProductSubcategory subcat on " + _ "product.ProductSubcategoryID = subcat.ProductSubcategoryID " strCommand += _ "join Production.ProductCategory cat on subcat.ProductCategoryID = " + _ "cat.ProductCategoryID " strCommand += _ "join Production.ProductModel model on product.ProductModelID = " + _ "model.ProductModelID " strCommand += _ "join Production.ProductModelProductDescriptionCulture culture on " + _ "model.ProductModelID = culture.ProductModelID " strCommand += "join Production.ProductDescription description on " + _ "culture.ProductDescriptionID = " + _ "description.ProductDescriptionID " strCommand += "where product.ProductID = @ProductID and " + _ "Culture.CultureID = 'en' " sqlDetailsView.SelectCommand = strCommand End Sub Protected Sub btnAddToCart_Click(ByVal sender As Object, _ ByVal e As System.EventArgs) ' the contents of the cart will be saved in a Session object as ' a string of comma-delimited values of ProductID's Dim strCart As String = String.Empty Dim strProductId As String = gvProducts.SelectedDataKey.Value.ToString( ) If Session("Cart") Is Nothing Then strCart = strProductId Else strCart = Session("Cart").ToString( ) + ", " + strProductId End If Session("Cart") = strCart lblCart.Text = strCart End Sub Protected Sub gvProducts_SelectedIndexChanged(ByVal sender As Object, _ ByVal e As System.EventArgs) _ Handles gvProducts.SelectedIndexChanged pnlProduct.Visible = True End Sub Protected Sub gvProducts_RowDataBound(ByVal sender As Object, _ ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) _ Handles gvProducts.RowDataBound Dim str As String = String.Empty If e.Row.RowType = DataControlRowType.DataRow Then Dim cell As TableCell = e.Row.Cells(4) ' ListPrice cell Dim nCost As Decimal Try nCost = CType(cell.Text, Decimal) str = nCost.ToString("##,##0.00", Nothing)
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