HtmlHelper用法大全
阿新 • • 發佈:2019-02-18
HTML擴充套件類的所有方法都有2個引數:
以textbox為例子
public static string TextBox( this HtmlHelper htmlHelper, string name, Object value, IDictionary<string, Object> htmlAttributes )
public static string TextBox( this HtmlHelper htmlHelper, string name, Object value, Object htmlAttributes )
這2個引數代表這個html標籤的屬性集合。使用方法如下。
1.ActionLink
<%=Html.ActionLink("這是一個連線", "Index", "Home")%>
帶有QueryString的寫法
<%=Html.ActionLink("這是一個連線", "Index", "Home", new { page=1 },null)%>
<%=Html.ActionLink("這是一個連線", "Index", new { page=1 })%>
有其它Html屬性的寫法
<%=Html.ActionLink("這是一個連線", "Index", "Home", new { id="link1" })%>
<%=Html.ActionLink("這是一個連線", "Index",null, new { id="link1" })%>
QueryString與Html屬性同時存在
<%=Html.ActionLink("這是一個連線", "Index", "Home", new { page = 1 }, new { id = "link1" })%>
<%=Html.ActionLink("這是一個連線", "Index" , new { page = 1 }, new { id = "link1" })%>
生成結果為:
<a href="/">這是一個連線</a>
帶有QueryString的寫法
<a href="/?page=1">這是一個連線</a>
<a href="/?page=1">這是一個連線</a>
有其它Html屬性的寫法
<a href="/?Length=4" id="link1">這是一個連線</a>
<a href="/" id="link1">這是一個連線</a>
QueryString與Html屬性同時存在
<a href="/?page=1" id="link1">這是一個連線</a>
<a href="/?page=1" id="link1">這是一個連線</a>
2.RouteLink
跟ActionLink在功能上一樣。
<%=Html.RouteLink("關於", "about", new { })%>
帶QueryString
<%=Html.RouteLink("關於", "about", new { page = 1 })%>
<%=Html.RouteLink("關於", "about", new { page = 1 }, new { id = "link1" })%>
生成結果:
<a href="/about">關於</a>
<a href="/about?page=1">關於</a>
<a href="/about?page=1" id="link1">關於</a>
3.Form 2種方法
<%using(Html.BeginForm("index","home",FormMethod.Post)){%>
<%} %>
<%Html.BeginForm("index", "home", FormMethod.Post);//注意這裡沒有=輸出%>
<%Html.EndForm(); %>
生成結果:
<form action="/home/index" method="post"></form>
4.TextBox , Hidden,
<%=Html.TextBox("input1") %>
<%=Html.TextBox("input2",Model.CategoryName,new{ @style = "width:300px;" }) %>
<%=Html.TextBox("input3", ViewData["Name"],new{ @style = "width:300px;" }) %>
<%=Html.TextBoxFor(a => a.CategoryName, new { @style = "width:300px;" })%>
生成結果:
<input id="input1" name="input1" type="text" value="" />
<input id="input2" name="input2" style="width:300px;" type="text" value="Beverages" />
<input id="input3" name="input3" style="width:300px;" type="text" value="" />
<input id="CategoryName" name="CategoryName" style="width:300px;" type="text" value="Beverages" />
5.TextArea
<%=Html.TextArea("input5", Model.CategoryName, 3, 9,null)%>
<%=Html.TextAreaFor(a => a.CategoryName, 3, 3, null)%>
生成結果:
<textarea cols="9" id="input5" name="input5" rows="3">Beverages</textarea>
<textarea cols="3" id="CategoryName" name="CategoryName" rows="3">Beverages</textarea>
6.CheckBox
<%=Html.CheckBox("chk1",true) %>
<%=Html.CheckBox("chk1", new { @class="checkBox"}) %>
<%=Html.CheckBoxFor(a =>a.IsVaild, new { @class = "checkBox" })%>
生成結果:
<input checked="checked" id="chk1" name="chk1" type="checkbox" value="true" /><input name="chk1" type="hidden" value="false" />
<input class="checkBox" id="chk1" name="chk1" type="checkbox" value="true" /><input name="chk1" type="hidden" value="false" />
<input checked="checked" class="checkBox" id="IsVaild" name="IsVaild" type="checkbox" value="true" /><input name="IsVaild" type="hidden" value="false" />
7.ListBox
<%=Html.ListBox("lstBox1",(SelectList)ViewData["Categories"])%>
<%=Html.ListBoxFor(a => a.CategoryName, (SelectList)ViewData["Categories"])%>
生成結果:
<select id="lstBox1" multiple="multiple" name="lstBox1">
<option value="1">Beverages</option>
<option value="2">Condiments</option>
<option selected="selected" value="3">Confections</option>
<option value="4">Dairy Products</option>
<option value="5">Grains/Cereals</option>
<option value="6">Meat/Poultry</option>
<option value="7">Produce</option>
<option value="8">Seafood</option>
</select>
<select id="CategoryName" multiple="multiple" name="CategoryName">
<option value="1">Beverages</option>
<option value="2">Condiments</option>
<option value="3">Confections</option>
<option value="4">Dairy Products</option>
<option value="5">Grains/Cereals</option>
<option value="6">Meat/Poultry</option>
<option value="7">Produce</option>
<option value="8">Seafood</option>
</select>
8.DropDownList
<%= Html.DropDownList("ddl1", (SelectList)ViewData["Categories"], "--Select One--")%>
<%=Html.DropDownListFor(a => a.CategoryName, (SelectList)ViewData["Categories"], "--Select One--", new { @class = "dropdownlist" })%>
生成結果:
<select id="ddl1" name="ddl1">
<option value="">--Select One--</option>
<option value="1">Beverages</option>
<option value="2">Condiments</option>
<option selected="selected" value="3">Confections</option>
<option value="4">Dairy Products</option>
<option value="5">Grains/Cereals</option>
<option value="6">Meat/Poultry</option>
<option value="7">Produce</option>
<option value="8">Seafood</option>
</select>
<select class="dropdownlist" id="CategoryName" name="CategoryName">
<option value="">--Select One--</option>
<option value="1">Beverages</option>
<option value="2">Condiments</option>
<option value="3">Confections</option>
<option value="4">Dairy Products</option>
<option value="5">Grains/Cereals</option>
<option value="6">Meat/Poultry</option>
<option value="7">Produce</option>
<option value="8">Seafood</option>
</select>
9.Partial 檢視模板
webform裡叫自定義控制元件。功能都是為了複用。但使用上自定義控制元件真的很難用好。
<% Html.RenderPartial("DinnerForm"); %> 看清楚了沒有等號的。
以textbox為例子
public static string TextBox( this HtmlHelper htmlHelper, string name, Object value, IDictionary<string, Object> htmlAttributes )
public static string TextBox( this HtmlHelper htmlHelper, string name, Object value, Object htmlAttributes )
這2個引數代表這個html標籤的屬性集合。使用方法如下。
1.ActionLink
<%=Html.ActionLink("這是一個連線", "Index", "Home")%>
帶有QueryString的寫法
<%=Html.ActionLink("這是一個連線", "Index", "Home", new { page=1 },null)%>
<%=Html.ActionLink("這是一個連線", "Index", new { page=1 })%>
有其它Html屬性的寫法
<%=Html.ActionLink("這是一個連線", "Index", "Home", new { id="link1" })%>
<%=Html.ActionLink("這是一個連線", "Index",null, new { id="link1" })%>
QueryString與Html屬性同時存在
<%=Html.ActionLink("這是一個連線", "Index", "Home", new { page = 1 }, new { id = "link1" })%>
<%=Html.ActionLink("這是一個連線", "Index" , new { page = 1 }, new { id = "link1" })%>
生成結果為:
<a href="/">這是一個連線</a>
帶有QueryString的寫法
<a href="/?page=1">這是一個連線</a>
<a href="/?page=1">這是一個連線</a>
有其它Html屬性的寫法
<a href="/?Length=4" id="link1">這是一個連線</a>
<a href="/" id="link1">這是一個連線</a>
QueryString與Html屬性同時存在
<a href="/?page=1" id="link1">這是一個連線</a>
<a href="/?page=1" id="link1">這是一個連線</a>
2.RouteLink
跟ActionLink在功能上一樣。
<%=Html.RouteLink("關於", "about", new { })%>
帶QueryString
<%=Html.RouteLink("關於", "about", new { page = 1 })%>
<%=Html.RouteLink("關於", "about", new { page = 1 }, new { id = "link1" })%>
生成結果:
<a href="/about">關於</a>
<a href="/about?page=1">關於</a>
<a href="/about?page=1" id="link1">關於</a>
3.Form
<%using(Html.BeginForm("index","home",FormMethod.Post)){%>
<%} %>
<%Html.BeginForm("index", "home", FormMethod.Post);//注意這裡沒有=輸出%>
<%Html.EndForm(); %>
生成結果:
<form action="/home/index" method="post"></form>
4.TextBox , Hidden,
<%=Html.TextBox("input1") %>
<%=Html.TextBox("input2",Model.CategoryName,new{ @style = "width:300px;" }) %>
<%=Html.TextBox("input3", ViewData["Name"],new{ @style = "width:300px;" }) %>
<%=Html.TextBoxFor(a => a.CategoryName, new { @style = "width:300px;" })%>
生成結果:
<input id="input1" name="input1" type="text" value="" />
<input id="input2" name="input2" style="width:300px;" type="text" value="Beverages" />
<input id="input3" name="input3" style="width:300px;" type="text" value="" />
<input id="CategoryName" name="CategoryName" style="width:300px;" type="text" value="Beverages" />
5.TextArea
<%=Html.TextArea("input5", Model.CategoryName, 3, 9,null)%>
<%=Html.TextAreaFor(a => a.CategoryName, 3, 3, null)%>
生成結果:
<textarea cols="9" id="input5" name="input5" rows="3">Beverages</textarea>
<textarea cols="3" id="CategoryName" name="CategoryName" rows="3">Beverages</textarea>
6.CheckBox
<%=Html.CheckBox("chk1",true) %>
<%=Html.CheckBox("chk1", new { @class="checkBox"}) %>
<%=Html.CheckBoxFor(a =>a.IsVaild, new { @class = "checkBox" })%>
生成結果:
<input checked="checked" id="chk1" name="chk1" type="checkbox" value="true" /><input name="chk1" type="hidden" value="false" />
<input class="checkBox" id="chk1" name="chk1" type="checkbox" value="true" /><input name="chk1" type="hidden" value="false" />
<input checked="checked" class="checkBox" id="IsVaild" name="IsVaild" type="checkbox" value="true" /><input name="IsVaild" type="hidden" value="false" />
7.ListBox
<%=Html.ListBox("lstBox1",(SelectList)ViewData["Categories"])%>
<%=Html.ListBoxFor(a => a.CategoryName, (SelectList)ViewData["Categories"])%>
生成結果:
<select id="lstBox1" multiple="multiple" name="lstBox1">
<option value="1">Beverages</option>
<option value="2">Condiments</option>
<option selected="selected" value="3">Confections</option>
<option value="4">Dairy Products</option>
<option value="5">Grains/Cereals</option>
<option value="6">Meat/Poultry</option>
<option value="7">Produce</option>
<option value="8">Seafood</option>
</select>
<select id="CategoryName" multiple="multiple" name="CategoryName">
<option value="1">Beverages</option>
<option value="2">Condiments</option>
<option value="3">Confections</option>
<option value="4">Dairy Products</option>
<option value="5">Grains/Cereals</option>
<option value="6">Meat/Poultry</option>
<option value="7">Produce</option>
<option value="8">Seafood</option>
</select>
8.DropDownList
<%= Html.DropDownList("ddl1", (SelectList)ViewData["Categories"], "--Select One--")%>
<%=Html.DropDownListFor(a => a.CategoryName, (SelectList)ViewData["Categories"], "--Select One--", new { @class = "dropdownlist" })%>
生成結果:
<select id="ddl1" name="ddl1">
<option value="">--Select One--</option>
<option value="1">Beverages</option>
<option value="2">Condiments</option>
<option selected="selected" value="3">Confections</option>
<option value="4">Dairy Products</option>
<option value="5">Grains/Cereals</option>
<option value="6">Meat/Poultry</option>
<option value="7">Produce</option>
<option value="8">Seafood</option>
</select>
<select class="dropdownlist" id="CategoryName" name="CategoryName">
<option value="">--Select One--</option>
<option value="1">Beverages</option>
<option value="2">Condiments</option>
<option value="3">Confections</option>
<option value="4">Dairy Products</option>
<option value="5">Grains/Cereals</option>
<option value="6">Meat/Poultry</option>
<option value="7">Produce</option>
<option value="8">Seafood</option>
</select>
9.Partial 檢視模板
webform裡叫自定義控制元件。功能都是為了複用。但使用上自定義控制元件真的很難用好。
<% Html.RenderPartial("DinnerForm"); %> 看清楚了沒有等號的。