功能:
扩展允许我们为一个TextBox控件,升级成一个图形化的滑动杆,让用户通过鼠标拖拽调整把柄,或是直接在滑动
轨道上单击鼠标左键,便可在最小和最大值之间,来设置数值。
属性:
TargetControlID :要被"滑片"扩展器所控制的ASP.NET TextBox控件ID。
Minimum :"滑杆"的最小值,默认值为0。
Maximum :"滑杆"的最大值,默认值为100。
Steps :数值的递增值。
Orientation :"滑片"的走向。可以指定"Vertical"垂直方向及"Horizontal"水平方向。
EnableHandleAnimation :启用或关闭调整把柄的动画效果。
Length :指定"滑片"的宽度或高度。
HandleCssClass :嵌套用到调整把柄的样式表。
RailCssClass :嵌套用到滑动轨道的样式表。
BoundControlID :用来动态显示结果的ASP.NET TextBox或Label控件。
RaiseChangeOnlyOnMouseUp :为"True"时,唯有位于"滑片"的调整把柄上,放开鼠标左鍵时,才会触发更新事件,默认为"True"。
代码实例:
Aspx页面
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<form id="form1" runat="server">
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<div>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<asp:ScriptManager ID="ScriptManager1" runat="server" />
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<table>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<tr>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<td></td>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<td>请移动滑片来调整图片的宽度</td>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
</tr>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<td>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<asp:TextBox ID="txtWidth" runat="server" AutoPostBack="True"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
CssClass="cssSliderText"></asp:TextBox>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<asp:Label ID="lblWidth" runat="server"></asp:Label>像素
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<ajaxToolkit:SliderExtender ID="seWidth" runat="server"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
TargetControlID="txtWidth"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
Minimum="10"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
Maximum="600"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
Steps="10"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
Orientation="Horizontal"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
EnableHandleAnimation="true"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
Length="200"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
HandleCssClass="cssHandleH2"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
RailCssClass="cssRailH2"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
BoundControlID="lblWidth"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
RaiseChangeOnlyOnMouseUp="false">
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
</ajaxToolkit:SliderExtender>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
</td>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<td width="20px" valign="top">
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
请移动滑片来调整图片的高度
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<td width="30px" vAlign="top">
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<asp:TextBox ID="txtHeight" runat="server" AutoPostBack="True"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<asp:Label ID="lblHeight" runat="server"></asp:Label>像素
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<ajaxToolkit:SliderExtender ID="seHeight" runat="server"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
TargetControlID="txtHeight"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
Maximum="800"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
Steps="5"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
Orientation="Vertical"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
HandleCssClass="cssHandleV2"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
RailCssClass="cssRailV2"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
BoundControlID="lblHeight"
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
</td>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<td vAlign="top">
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<ContentTemplate>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<asp:Image ID="imgBook" runat="server" ImageUrl="~/Images/AJAX.gif" Height="50%" Width="50%" />
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
</ContentTemplate>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<Triggers>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<asp:AsyncPostBackTrigger ControlID="txtHeight" EventName="TextChanged" />
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
<asp:AsyncPostBackTrigger ControlID="txtWidth" EventName="TextChanged" />
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
</Triggers>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
</asp:UpdatePanel>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
</table>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
</div>
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
</form>
后台代码:
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIml2ZuUmbv50LcNncvRXYjlGZul0ZulmbpxGd190LcNXZnFWbJ9CXt92Yu8GdjFTNuc2bsJ2Lc9CX6MHc0RHaiojIsJye.gif)
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack)
this.imgBook.Height = Int32.Parse(this.txtHeight.Text);
this.imgBook.Width = Int32.Parse(this.txtWidth.Text);
}
}