点击GridView中的选择按钮时,DetailsView控件中不能显示相应行的数据?
点击GridView中的选择按钮时,DetailsView控件中不能显示相应行的数据.请问是什么原因? 谢谢!
代码如下:
<asp:Content ID= "Content1 " ContentPlaceHolderID= "ContentPlaceHolder1 " Runat= "Server ">
<span style= "font-family: 仿宋_GB2312; text-decoration: underline "> <strong> 工程设置 <br />
</strong> </span> <br />
<asp:AccessDataSource ID= "AccessDataSource1 " runat= "server " DataFile= "~/newsdb.mdb "
SelectCommand= "SELECT [Id], [Projectname], [Remark] FROM [project] " >
</asp:AccessDataSource>
<asp:AccessDataSource ID= "AccessDataSource2 " runat= "server " DataFile= "~/newsdb.mdb "
SelectCommand= "SELECT [Id], [Projectname], [Remark] FROM [project] " FilterExpression= "id= '@id ' " >
<FilterParameters>
<asp:ControlParameter Name= "id " ControlID= "gridview1 " PropertyName= "selectedvalue " />
</FilterParameters>
</asp:AccessDataSource>
<asp:GridView ID= "GridView1 " runat= "server " DataKeyNames= "Id " DataMember= "DefaultView "
DataSourceID= "AccessDataSource1 " CellPadding= "4 " ForeColor= "#333333 " GridLines= "None " PageSize= "20 " AutoGenerateColumns= "False "
>
<Columns>
<asp:BoundField DataField= "Id " HeaderText= "序号 " ReadOnly= "True " SortExpression= "Id " />
<asp:BoundField DataField= "Projectname " HeaderText= "工程名称 " SortExpression= "Projectname " />
<asp:BoundField DataField= "Remark " HeaderText= "备注 " SortExpression= "Remark " />
<asp:CommandField ShowEditButton= "True " ButtonType= "Button " >
<HeaderStyle Width= "80px " />
</asp:CommandField>
<asp:CommandField ShowDeleteButton= "True " ButtonType= "Button " >
<HeaderStyle Width= "40px " />
</asp:CommandField>
<asp:CommandField ShowSelectButton= "True " SortExpression= "Id " />
</Columns>
<FooterStyle BackColor= "#507CD1 " Font-Bold= "True " ForeColor= "White " />
<RowStyle BackColor= "#EFF3FB " />
<EditRowStyle BackColor= "#2461BF " />
<SelectedRowStyle BackColor= "#D1DDF1 " Font-Bold= "True " ForeColor= "#333333 " />
<PagerStyle BackColor= "#2461BF " ForeColor= "White " HorizontalAlign= "Center " />
<HeaderStyle BackColor= "#507CD1 " Font-Bold= "True " ForeColor= "White " />
<AlternatingRowStyle BackColor= "White " />
</asp:GridView>
<br />
<asp:DetailsView ID= "DetailsView1 " runat= "server " AutoGenerateRows= "False "
DataKeyNames= "Id " DataMember= "DefaultView " DataSourceID= "AccessDataSource2 " EnablePagingCallbacks= "True " >
<Fields>
<asp:BoundField DataField= "Id " HeaderText= "Id " ReadOnly= "True " SortExpression= "Id " />
<asp:BoundField DataField= "Projectname " HeaderText= "Projectname " SortExpression= "Projectname " />
<asp:BoundField DataField= "Remark " HeaderText= "Remark " SortExpression= "Remark " />
</Fields>
</asp:DetailsView>
</asp:Content>
[解决办法]
如果共用一个DataSource那就不用写代码，否则就需要在GridView的SelectedIndexChanged根据选中的行的关键字来更新DetailsView
