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asp.net Repeater 數據綁定的具體實現

以下為設計步驟:

1、在C# 中連接數據庫。如下圖:
2、在項目中添加新建項,建立一個數據集,並把Categories從服務器資源列表中拖到這個數據集模板中並點擊菜單“生成-生成解決方案”,如下圖:

3、在aspx的webform上放一個ObjectDataSource控件,設定它的TypeName為剛剛建立的數據集類型,用它的向導建立即可。
4、在aspx的webform上放一個Repeater控件,用它的向導設定它的DataSourceID為上面的ObjectDataSource
5、在網頁中設定它的源碼,即加上<itemTemplate><AlternatingItemTemplate>等模板。如下面的代碼:

復制代碼 代碼如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Repeater.Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

        <asp:ObjectDataSource ID="ObjectDataSource1" runat="server"
            OldValuesParameterFormatString="original_{0}" SelectMethod="GetData"
            TypeName="Repeater.DataSetEmployeesTableAdapters.CategoriesTableAdapter">
        </asp:ObjectDataSource>
        <asp:Repeater ID="Repeater1" runat="server" DataSourceID="ObjectDataSource1"
            onitemdatabound="Repeater1_ItemDataBound"
            onitemcreated="Repeater1_ItemCreated">
        <HeaderTemplate>
           類別表
           <table border="1"><th>類別ID</th><th>類別名稱</th><th& gt;描述</th><th>圖片</th>
        </HeaderTemplate>
        <ItemTemplate>
           <tr>
             <td><%#Eval("CategoryID")%></td>
             <td>
                 <asp:TextBox ID="TextBox1" runat="server" Text='<%#Eval("CategoryName")%>'></asp:TextBox>
             </td>
             <td><%#Eval("Description")%></td>
             <td><img alt="None" src='<%#Eval("Picture")%>' /></td>
           </tr>

        </ItemTemplate>
        <AlternatingItemTemplate>
           <tr>
             <td style="background-color:Blue"><%#Eval("CategoryID")%></td>
             <td  style="background-color:Blue">
               <asp:TextBox ID="TextBox1" runat="server" Text='<%#Eval("CategoryName")%>'></asp:TextBox>
             </td>
             <td  style="background-color:Blue"><%#Eval("Description")%></td>
             <td  style="background-color:Blue"><img alt="None" src='<%#Eval("Picture")%>' /></td>
           </tr>
        </AlternatingItemTemplate>
        <FooterTemplate>
          </table>
        </FooterTemplate>
        </asp:Repeater>

    </div>
    </form>
</body>
</html>


7、要求在類別名稱中帶"O"的編輯框顯示紅色,則寫出以下代碼:

復制代碼 代碼如下:
protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
        {
            if (e.Item.ItemType == ListItemType.AlternatingItem)
            {

                TextBox tb = (TextBox)e.Item.FindControl("TextBox1");
                if (tb.Text.Contains("o"))
                {
                    tb.BackColor = Color.Red;
                }

            }
        }


7、運行顯示的效果為:


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