gridview 绑定数据源 SqlDataSource 实现增加修改删除功能

前台代码

<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" DataSourceID="SqlDataSource2"

DataTextField="state" DataValueField="state">

asp:DropDownList><asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString=""

SelectCommand="SELECT DISTINCT [state] FROM [authors]">asp:SqlDataSource>

<br />

<br />

<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True"

AutoGenerateColumns="False" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None"

BorderWidth="1px" CellPadding="3" DataKeyNames="au_id" DataSourceID="SqlDataSource1"

OnRowDataBound="GridView1_RowDataBound">

<FooterStyle BackColor="White" ForeColor="#000066" />

<Columns>

<asp:CommandField HeaderText="操作" ShowEditButton="True" />

<asp:BoundField DataField="au_id" HeaderText="ＩＤ" ReadOnly="True" SortExpression="au_id" />

<asp:BoundField DataField="au_lname" HeaderText="名字" SortExpression="au_lname">

<ControlStyle Width="60px" />

asp:BoundField>

<asp:BoundField DataField="city" HeaderText="城市" SortExpression="city">

<ControlStyle Width="60px" />

asp:BoundField>

<asp:BoundField DataField="state" HeaderText="不知道" SortExpression="state">

<ControlStyle Width="60px" />

asp:BoundField>

<asp:BoundField DataField="zip" DataFormatString="{0:c}" HeaderText="邮编" SortExpression="zip">

<ControlStyle BackColor="#FFFFC0" BorderColor="#C0FFFF" BorderStyle="Solid" BorderWidth="1px"

Font-Bold="True" Width="60px" />

<ItemStyle BackColor="#FF8080" BorderStyle="Solid" Font-Bold="True" />

asp:BoundField>

Columns>

<RowStyle ForeColor="#000066" />

<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />

<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />

<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />

asp:GridView>

<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString=""

DeleteCommand="DELETE FROM [authors] WHERE [au_id] = @au_id" InsertCommand="INSERT INTO [authors] ([au_id], [au_lname], [city], [state], [zip]) VALUES (@au_id, @au_lname, @city, @state, @zip)"

SelectCommand="SELECT [au_id], [au_lname], [city], [state], [zip] FROM [authors] WHERE ([state] = @state)"

UpdateCommand="UPDATE [authors] SET [au_lname] = @au_lname, [city] = @city, [state] = @state, [zip] = @zip WHERE [au_id] = @au_id">

<DeleteParameters>

<asp:Parameter Name="au_id" Type="String" />

DeleteParameters>

<UpdateParameters>

<asp:Parameter Name="au_lname" Type="String" />

<asp:Parameter Name="city" Type="String" />

<asp:Parameter Name="state" Type="String" />

<asp:Parameter Name="zip" Type="String" />

<asp:Parameter Name="au_id" Type="String" />

UpdateParameters>

<InsertParameters>

<asp:Parameter Name="au_id" Type="String" />

<asp:Parameter Name="au_lname" Type="String" />

<asp:Parameter Name="city" Type="String" />

<asp:Parameter Name="state" Type="String" />

<asp:Parameter Name="zip" Type="String" />

InsertParameters>

<SelectParameters>

<asp:ControlParameter ControlID="DropDownList1" Name="state" PropertyName="SelectedValue"

Type="String" />

SelectParameters>

asp:SqlDataSource>