<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:connectionString %>"
SelectCommand="SELECT * FROM [product]" DeleteCommand="DELETE FROM [product] WHERE [newsID]=@newsID" UpdateCommand="UPDATE [product] SET [title]=@title,[picture]=@picture where [newsid]=@newsid"></asp:SqlDataSource>
</td>只要点击删除就显示必须声明标量变量 "@newsID"。这个错误
SelectCommand="SELECT * FROM [product]" DeleteCommand="DELETE FROM [product] WHERE [newsID]=@newsID" UpdateCommand="UPDATE [product] SET [title]=@title,[picture]=@picture where [newsid]=@newsid"></asp:SqlDataSource>
</td>只要点击删除就显示必须声明标量变量 "@newsID"。这个错误
[title]=@title,[picture]=@picture where [newsid]=@newsid 同理
[title]="+@title换成数据+",[picture]="+@picture换成数据+" where [newsid]="+@newsid换成数据
需要设置