Clear a StringBuilder contents
The StringBuilder class represents a mutable String of characters. The StringBuilder class cannot be inherited. The StringBuilder class represents a String-like object whose value is a mutable sequence of characters.
The following .net c# tutorial code demonstrates how we can clear the contents of a StringBuilder instance. That means how we will remove/delete all the characters of a StringBuilder object. In this .net c# tutorial code we will use the StringBuilder class Clear() method.
The StringBuilder Clear() method removes all characters from the current StringBuilder instance. This Clear() method returns a StringBuilder object whose length is zero.
So finally, using the StringBuilder class Clear() method the .net c# developers can clear/delete StringBuilder instance contents.
The following .net c# tutorial code demonstrates how we can clear the contents of a StringBuilder instance. That means how we will remove/delete all the characters of a StringBuilder object. In this .net c# tutorial code we will use the StringBuilder class Clear() method.
The StringBuilder Clear() method removes all characters from the current StringBuilder instance. This Clear() method returns a StringBuilder object whose length is zero.
So finally, using the StringBuilder class Clear() method the .net c# developers can clear/delete StringBuilder instance contents.
stringbuilder-clear-contents.aspx
<%@ Page Language="C#" AutoEventWireup="true"%>
<!DOCTYPE html>
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)
{
StringBuilder stringb = new StringBuilder();
stringb.Append("example - how to make StringBuilder empty.");
Label1.Text = stringb.ToString();
Label1.Text += "<br />stringbuilder length: " + stringb.Length;
//this line clear stringbuilder contents. this make capacity lower.
//stringb.Replace(stringb.ToString(), " ");
//another way to clear stringbuilder contents.
//stringb.Remove(0,stringb.Length);
stringb.Clear();
Label1.Text += "<br /><br />after clear contents stringbuilder length: " + stringb.Length;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>c# example - stringbuilder clear contents</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:MidnightBlue; font-style:italic;">
c# example - stringbuilder clear contents
</h2>
<hr width="550" align="left" color="Gainsboro" />
<br />
<asp:Label
ID="Label1"
runat="server"
Font-Size="Large"
>
</asp:Label>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
Text="stringbuilder clear contents"
OnClick="Button1_Click"
Height="40"
Font-Bold="true"
/>
</div>
</form>
</body>
</html>
