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ASP.Net/Language Basics/String - История изменений
2026-04-30T10:53:40Z
История изменений этой страницы в вики
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в 15:30, 26 мая 2010
2010-05-26T15:30:47Z
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Admin: 1 версия
2010-05-26T11:53:19Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==String concatenation (C#)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<script runat="server"><br />
void page_Load()<br />
{<br />
string str;<br />
str = "Spring" + "Sale";<br />
lblOut1.Text = str;<br />
<br />
string str2;<br />
DateTime datSaleSpring = Convert.ToDateTime("3/3/2005");<br />
str2 = "Spring" + " " + "Sale begins " + Convert.ToString(datSaleSpring);<br />
lblOut2.Text = str2;<br />
<br />
<br />
lblSaleNote3.Text = "Spring" + " " + "Sale begins " + Convert.ToString(datSaleSpring);<br />
<br />
string str4;<br />
str4 = "Sale starts on 3/1/2005";<br />
str4 = str4 + " and ends on " + txtSaleEnd.Text;<br />
lblSaleNote4.Text = str4;<br />
<br />
string str5;<br />
str5 = "Sale starts on 3/1/2005 and ends on ";<br />
str5 += txtSaleEnd.Text;<br />
lblSaleNote5.Text = str5;<br />
<br />
}<br />
</script><br />
<html><br />
<head><br />
</head><br />
<body><br />
<form runat="server"><br />
<hr>Example 1<br><br />
<asp:Label runat="server" ID="lblOut1"/><br/><br />
<hr>Example 2<br><br />
<asp:Label runat="server" ID="lblOut2"/><br/><br />
<hr>Example 3<br><br />
<asp:Label runat="server" ID="lblSaleNote3"/><br/><br />
<hr>Example 4<br><br />
Sale End Date = <asp:TextBox runat="server" ID="txtSaleEnd"/><br />
<asp:Button runat="server" Text="Button"></asp:Button><br/><br />
<asp:Label runat="server" ID="lblSaleNote4"/><br/><br />
<hr>Example 5<br><br />
<asp:Label runat="server" ID="lblSaleNote5"/><br/><br />
</form><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==String format (C#)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ page language="C#" %><br />
<script runat="server"><br />
<br />
void BT_Submit_Click(object sender, System.EventArgs e)<br />
{<br />
this.LT_Name.Text = string.Format("Your name is: {0}", this.TB_Name.Text);<br />
}<br />
<br />
</script><br />
<html><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form runat="server"><br />
<p>Please enter your name:<br />
<br /><br /><br />
<asp:textbox id="TB_Name" runat="server"/><br />
<asp:button id="BT_Submit" runat="server" text="OK" onclick="BT_Submit_Click" /><br />
</p><br />
<p><asp:literal id="LT_Name" runat="server"/></p><br />
</form><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Sub a string value (VB.net)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="VB" %><br />
<script runat="server"><br />
<br />
Sub Button1_Click(sender As Object, e As EventArgs)<br />
Dim fullString, subString As String<br />
Dim startPos, length As Integer<br />
<br />
startPos = CInt(TextBox2.Text)<br />
length = CInt(TextBox3.Text)<br />
<br />
fullString = TextBox1.Text<br />
subString = fullString.SubString(startPos, length)<br />
Label1.Text = subString<br />
End Sub<br />
</script><br />
<html><br />
<head><br />
</head><br />
<body><br />
<form runat="server"><br />
<p><br />
<asp:TextBox id="TextBox1" runat="server" TextMode="MultiLine" Width="259px" Height="112px"></asp:TextBox><br />
</p><br />
<p><br />
start: <br />
<asp:TextBox id="TextBox2" runat="server"></asp:TextBox><br />
</p><br />
<p><br />
length: <br />
<asp:TextBox id="TextBox3" runat="server"></asp:TextBox><br />
</p><br />
<p><br />
<asp:Label id="Label1" runat="server">Label</asp:Label><br />
</p><br />
<p><br />
<asp:Button id="Button1" onclick="Button1_Click" runat="server" Text="Show Substring"></asp:Button><br />
</p><br />
</form><br />
</body><br />
</html><br />
<br />
</source></div>
Admin