5.2.5,添加货币转换功能代码Html控件
<body>
<form runat="server">
<div>
Convert:
<input type="text" id="us" runat="server" />
u.s. dollars to Euros
<br /><br />
<input type="submit" value="ok" id="convert" runat="server" onserverclick="convert_serverclick" />
<br /><br />
<div style="font-weight:bold" id="result" runat="server"></div>
</div>
</form>
</body>
后台C#代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;public partial class _currencyconverter : System.Web.UI.Page
{
protected void convert_serverclick(object sender, EventArgs e)
{
decimal usamount = decimal.Parse(us.Value);
decimal euroamount = usamount * 0.85M;
result.InnerText = usamount.ToString() + "u.s.dollars=";
result.InnerText += euroamount.ToString() + "euros,";
}
}
<body>
<form runat="server">
<div>
Convert:
<input type="text" id="us" runat="server" />
u.s. dollars to Euros
<br /><br />
<input type="submit" value="ok" id="convert" runat="server" onserverclick="convert_serverclick" />
<br /><br />
<div style="font-weight:bold" id="result" runat="server"></div>
</div>
</form>
</body>
后台C#代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;public partial class _currencyconverter : System.Web.UI.Page
{
protected void convert_serverclick(object sender, EventArgs e)
{
decimal usamount = decimal.Parse(us.Value);
decimal euroamount = usamount * 0.85M;
result.InnerText = usamount.ToString() + "u.s.dollars=";
result.InnerText += euroamount.ToString() + "euros,";
}
}
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decimal euroamount = usamount * 0.85M;
result.InnerText = usamount.ToString() + "u.s.dollars=";/赋值
result.InnerText += euroamount.ToString() + "euros,";拼接InnerText 输出。