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Introducing Windows Azure- P13 pdf

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CHAPTER 2 ■ ACCESS CLOUD TABLE STORAGE 33 Figure 2-4. Create a web form table for input and a GridView on the ASPX page 7. In the first table add an ASP.NET FormView and implement an InsertItemTemplate in the body of the FormView as Listing 2-6 shows. Define an ASP.NET GridView in the second web form table as Listing 2-7 shows. Listing 2-6. Implement FormView with InsertItemTemplate from the First ASP.Net Web Form Table <table cellspacing="0" cellpadding="0" border="1" style="width: 600; height: 145px;"> <asp:FormView id="formAddAddress" DataSourceId="AddressTableData" DefaultMode="Insert" Runat="server"><% Address Table %> <InsertItemTemplate> <tr> <td bgcolor="#FFCC00"></td> <td bgcolor="#FFCC00" colspan="3">Address Information Input</td> </tr> <tr> <td class="input lable">Address1</td> <td class="input Text"> <asp:TextBox CHAPTER 2 ■ ACCESS CLOUD TABLE STORAGE 34 ID="txtAddress1" Text='<%# Bind("Address1") %>' runat="server" Width="125px"> </asp:TextBox> </td> <td class="input lable">Address2</td> <td class="input Text"> <asp:TextBox ID="txtAddress2" Text='<%# Bind("Address2") %>' runat="server" Width="125px"></asp:TextBox> </td> </tr> <tr> <td class="input lable">City</td> <td class="input Text"> <asp:TextBox ID="City" Text='<%# Bind("City") %>' runat="server" Width="125px"></asp:TextBox> </td> <td class="style10">Zip</td> <td class="style11"> <asp:TextBox ID="Zip" Text='<%# Bind("Zip") %>' runat="server" Width="125px"> </asp:TextBox> </td> </tr> <tr> <td class="style10">County</td> <td class="style11"> <asp:TextBox ID="County" Text='<%# Bind("County") %>' runat="server" Width="125px"> </asp:TextBox> </td> <td class="style10">Country</td> <td class="style11"> <asp:TextBox ID="Country" Text='<%# Bind("Country") %>' runat="server" Width="125px"> CHAPTER 2 ■ ACCESS CLOUD TABLE STORAGE 35 </asp:TextBox> </td> </tr> <tr style=" background-color: #ffffbe; font-weight:normal; font-size: 10pt; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; padding: 2px 2px 2px 6px; text-align: center; color:Black; height:25px;"> <td class="input lable">State</td> <td class="input Text"> <asp:DropDownList ID="combState" runat="server" SelectedIndex='<%#Bind("State")%>' Height="23px" Width="119px"> <asp:ListItem>AL</asp:ListItem> <asp:ListItem>AK</asp:ListItem> <asp:ListItem>AS</asp:ListItem> <asp:ListItem>AZ</asp:ListItem> <asp:ListItem>ZR</asp:ListItem> <asp:ListItem>CA</asp:ListItem> <asp:ListItem>CO</asp:ListItem> <asp:ListItem>CT</asp:ListItem> <asp:ListItem>DE</asp:ListItem> <asp:ListItem>DC</asp:ListItem> <asp:ListItem>FM</asp:ListItem> <asp:ListItem>FL</asp:ListItem> <asp:ListItem>GA</asp:ListItem> <asp:ListItem>GU</asp:ListItem> <asp:ListItem>HI</asp:ListItem> <asp:ListItem>ID</asp:ListItem> <asp:ListItem>IL</asp:ListItem> <asp:ListItem>IN</asp:ListItem> <asp:ListItem>IA</asp:ListItem> <asp:ListItem>KS</asp:ListItem> <asp:ListItem>KY</asp:ListItem> <asp:ListItem>LA</asp:ListItem> <asp:ListItem>ME</asp:ListItem> <asp:ListItem>MH</asp:ListItem> <asp:ListItem>MD</asp:ListItem> <asp:ListItem>MA</asp:ListItem> <asp:ListItem>MI</asp:ListItem> <asp:ListItem>MN</asp:ListItem> <asp:ListItem>MS</asp:ListItem> <asp:ListItem>MO</asp:ListItem> <asp:ListItem>MT</asp:ListItem> <asp:ListItem>NE</asp:ListItem> <asp:ListItem>NV</asp:ListItem> <asp:ListItem>NG</asp:ListItem> CHAPTER 2 ■ ACCESS CLOUD TABLE STORAGE 36 <asp:ListItem>NJ</asp:ListItem> <asp:ListItem>NM</asp:ListItem> <asp:ListItem>NY</asp:ListItem> <asp:ListItem>NC</asp:ListItem> <asp:ListItem>ND</asp:ListItem> <asp:ListItem>MP</asp:ListItem> <asp:ListItem>OH</asp:ListItem> <asp:ListItem>OK</asp:ListItem> <asp:ListItem>OR</asp:ListItem> <asp:ListItem>PW</asp:ListItem> <asp:ListItem>PA</asp:ListItem> <asp:ListItem>PR</asp:ListItem> <asp:ListItem>RI</asp:ListItem> <asp:ListItem>SC</asp:ListItem> <asp:ListItem>SD</asp:ListItem> <asp:ListItem>TN</asp:ListItem> <asp:ListItem>TX</asp:ListItem> <asp:ListItem>UT</asp:ListItem> <asp:ListItem>VT</asp:ListItem> <asp:ListItem>VI</asp:ListItem> <asp:ListItem>VA</asp:ListItem> <asp:ListItem>WA</asp:ListItem> <asp:ListItem>WV</asp:ListItem> <asp:ListItem>WI</asp:ListItem> <asp:ListItem>WY</asp:ListItem> </asp:DropDownList> </td> <td class="style10"></td> <td class="style9"> <asp:Button ID="btnAddAddress" runat="server" Text="Add" CommandName="Insert" Width="94px" /> </td> </tr> </InsertItemTemplate> </asp:FormView> </table> Listing 2-7. A GridView Used to Display Query Results from Cloud Table Defined in the Second Web Form Table in AddressTable.aspx <asp:GridView id="AddressView" DataSourceId="AddressTableData" DataKeyNames="PartitionKey,RowKey" AllowPaging="False" AutoGenerateColumns="True" CHAPTER 2 ■ ACCESS CLOUD TABLE STORAGE 37 GridLines="Vertical" Runat="server" BackColor="White" ForeColor="Black" BorderColor="#DEDFDE" BorderStyle="None" BorderWidth="1px" CellPadding="4" Font-Size="Small"> <Columns> <asp:CommandField ShowDeleteButton="true" /> </Columns> <RowStyle BackColor="#F7F7DE" /> <FooterStyle BackColor="#CCCC99" /> <PagerStyle BackColor="#F7F7DE" ForeColor="Black" HorizontalAlign="Right" /> <SelectedRowStyle BackColor="#CE5D5A" Font-Bold="True" ForeColor="White" /> <HeaderStyle BackColor="#6B696B" Font-Bold="True" ForeColor="White" /> <AlternatingRowStyle BackColor="White" /> </asp:GridView> 8. Insert code at the bottom of the AddressTable.aspx file to create an ObjectDataSource and then bind the Address data entity class to AddressTableService as Listing 2-8 shows. Listing 2-8. Insert an ObjectDataSource Definition into the AddressTable.aspx File and Bind It to the Address Data Entity Class <asp:ObjectDataSource runat="server" ID="AddressTableData" TypeName= "CloudTableStorageService WebRole.CloudTableStorageDataService.AddressTableService" DataObjectTypeName="CloudTableStorageService WebRole.CloudTableStrorageDataEntity.Address" SelectMethod="Select" DeleteMethod="Delete" InsertMethod="Insert"> </asp:ObjectDataSource> ■ Note The class object name must be fully qualified, with the combination of name space and class name. 9. Open AddressTable.aspx.cs and insert code into the Page Load event handling function and implement the AddAddress Click event-handling function. Since we use data binding between the GridView and the ObjectDataSource in AddressTable.aspx and the data binding is bidirectional, the code-behind file is extremely concise as Listing 2-9 shows. Listing 2-9. Code in AddressTable.aspx.cs using System; using System.Collections.Generic; using System.Linq; using System.Web;

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