Html 如何在 ASP.NET 的服务器端获取输入（类型文本）的值？
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How to obtain a value of an input (type text) on server side in ASP.NET?
提问by Konrad Viltersten
Using the HTML markup
使用 HTML 标记
<form id="form" runat="server">
<input id="donkey" type="text" placeholder="monkey" runat="server" />
</form>
I hoped to get the entered value in code behind by
我希望在后面的代码中获得输入的值
String s = Request.Form["donkey"];
but it only produces null value. When I investigate the data structure I get something like $ctl00$main$donkeyso I know it's there. After a while, I simply switched to
但它只产生空值。当我调查数据结构时，我会得到类似的信息，$ctl00$main$donkey所以我知道它就在那里。过了一会儿，我只是切换到
<form id="form" runat="server">
<asp:TextBox id="donkey" type="text" runat="server"></asp:TextBox>
</form>
but I still wonder how to reference the object from server-side if I for some reason won't switch to ASP-component.
但我仍然想知道如果我出于某种原因不会切换到 ASP 组件，如何从服务器端引用对象。
回答by M. Mennan Kara
If you want to access to the value using request.form, add name attribute to input tag and remove runat attribute.
如果要使用 request.form 访问该值，请将 name 属性添加到 input 标记并删除 runat 属性。
<input id="donkey" name="donkey" type="text" />
Otherwise use
否则使用
<asp:TextBox ID="donkey" type="text" runat="server"></asp:TextBox>
and on cs
并在 cs
string s = donkey.Text;
回答by user1102001
if you want to get value of input use like this
如果你想像这样获得输入使用的价值
String s = donkey.value;
回答by Yograj Gupta
Just donkey.Valuewill return the value from text input which should have runat="server". It will create an object of System.Web.UI.HtmlControls.HtmlInputText.
只需donkey.Value将返回从里面应该有文字输入的值runat="server"。它将创建一个对象System.Web.UI.HtmlControls.HtmlInputText。
回答by scunliffe
I'm not sure about ASP.net but for a regular form field to submit properly it should have a nameattribute. That would be the key that you could then lookup the form value.
我不确定 ASP.net，但对于要正确提交的常规表单字段，它应该有一个name属性。这将是您随后可以查找表单值的关键。
