思維分析

 

SearchProduct.aspx.cs
private void BindData()
        ...{
            string sStr;
            // 判斷是 商品快速查詢 還是分類查詢
            if (Request.Params["sStr"] != null)
            ...{
                // 如果是 商品快速查詢
                //if else (1.運用條件來顯示商品的頁面2.查詢商品的條件無效，請重試)
                sStr = Request.Params["sStr"];//task out CategoryId about shopping
                if (sStr.Length > 0)
                ...{
                    string sSQL = "SELECT O.*, S.Name AS CategoryName, P.Name AS Vendor FROM dbo.Products O INNER JOIN    dbo.Categories S ON O.CategoryID = S.ID INNER JOIN dbo.Customers P ON O.VendorID = P.ID    WHERE O.ModelNumber LIKE '%" + sStr + "%' OR O.ModelName LIKE '%" + sStr + "%' OR    O.Description LIKE '%" + sStr + "%' ORDER BY O.ModelName, O.ModelNumber";
                    pub.Fill(sSQL);
                    this.DisPage1.Open(pub.DataSet1);
                }
                else
                ...{
                    pub.sTitle = pub.sTitle + " -- 商品查詢 -- 指定查詢條件, 至少要輸入1個字符";
                    DisPage1.Visible = false;
                }
            }
            else if (Request.Params["CategoryID"] != null)
            ...{
                //1.take out CategoryId
                //2.judge categoryId char anything here
                sStr = Request.Params["CategoryID"];
                //if struck (1.browser all shopping 2.no shopping display)
                if (Int32.Parse(sStr) >= 0)
                ...{
                    int iID = int.Parse(sStr);
                    string sSQL = "SELECT O.*, S.Name AS CategoryName, P.Name AS Vendor FROM dbo.Products O INNER JOIN    dbo.Categories S ON O.CategoryID = S.ID INNER JOIN dbo.Customers P ON O.VendorID = P.ID WHERE O.CategoryID = " + iID + " ORDER BY O.ModelName, O.ModelNumber";
                    //數據庫的連結和庫的添充都是在FILL 方法中進行的
                    pub.Fill(sSQL);
                    //public DataSet DataSet1;
                    this.DisPage1.Open(pub.DataSet1);
                    pub.sTitle = pub.sTitle + " -- 商品瀏覽 -- 所有 " + Request.Params["CategoryName"].ToString() + " 的商品";
                }
                else
                ...{
                    pub.sTitle = pub.sTitle + " -- 商品瀏覽 -- 指定查詢條件無效";
                    DisPage1.Visible = false;
                }

                lbMsg.Text = pub.sTitle;//display massage about shopping here
            }
            else
                Response.Redirect("Error.aspx?sStr=非法頁面訪問", true);
        }

 

 

 

 

SearchProduct.aspx
<cc1:dispage id="DisPage1" runat="server" PageSize="16" PageTitleBorder="None" TitleBorderWidth="1px" TitleBorderColor="Gainsboro" PageTitleColor="224, 224, 224" TitleState="Bottom" PageGroup="3" BorderWidth="1px" BackColor="Transparent" BorderStyle="None" BorderColor="#FFFFC0" Width="98%" ForeColor="Black">
                                        <DataTemplate>
                                            <asp:DataList id="DataList1" RepeatColumns="4" runat="server" Width="100%" BorderColor="#CC9966" BorderStyle="None" BackColor="White" CellPadding="4" GridLines="Both" BorderWidth="1px" ShowHeader="False" ShowFooter="False" RepeatDirection="Horizontal">
                                                <SelectedItemStyle Font-Bold="True" ForeColor="#663399" BackColor="#FFCC66"></SelectedItemStyle>
                                                <AlternatingItemStyle BackColor="Snow"></AlternatingItemStyle>
                                                <ItemStyle ForeColor="#330099" BorderStyle="Dashed" BackColor="White"></ItemStyle>
                                                <ItemTemplate>
                                                    <TABLE cellSpacing="0" cellPadding="0" width="100%" align="center" border="0">
                                                        <TR>
                                                            <TD vAlign="top" align="middle"><A href='<%# "Product.aspx?ProductID=" + DataBinder.Eval(Container.DataItem, "ProductID").ToString() + "&CategoryID=" + DataBinder.Eval(Container.DataItem, "CategoryID").ToString() %>' title=點擊查看明細 target=P>
                                                                    <IMG src='ProductImages/<%# DataBinder.Eval(Container.DataItem, "ProductImage") %>' border=0 width=100px height=100px>
                                                                    <br>
                                                                    <%# DataBinder.Eval(Container.DataItem, "ModelNumber") %>
                                                                    -
                                                                    <%# DataBinder.Eval(Container.DataItem, "ModelName") %>
                                                                    <br>
                                                                    <FONT color="silver">
                                                                        <DEL>
                                                                            <%# DataBinder.Eval(Container.DataItem, "UnitCost", "{0:c}") %>
                                                                        </DEL>
                                                                    </FONT>
                                                                    <br>
                                                                    <FONT color="coral">
                                                                        <%# DataBinder.Eval(Container.DataItem, "Discount", "{0:c}") %>
                                                                    </FONT></A>
                                                                <br>
                                                                <%# DataBinder.Eval(Container.DataItem, "Vendor") %>
                                                                &nbsp;&nbsp;<a href='AddToCart.aspx?ProductID=<%# DataBinder.Eval(Container.DataItem, "ProductID") %>' target=A><img src="Images/ShoppingCart.gif" border="0" title="點擊訂單此商品"></a>
                                                            </TD>
                                                        </TR>
                                                    </TABLE>
                                                </ItemTemplate>
                                                <FooterStyle ForeColor="#330099" BackColor="#FFFFCC"></FooterStyle>
                                                <HeaderStyle Font-Bold="True" ForeColor="#FFFFCC" BackColor="#990000"></HeaderStyle>
                                            </asp:DataList>
                                        </DataTemplate>
                                    </cc1:dispage>