How to set, change TextBox font size
this tutorial demonstrate you that how can we set or change textbox text size programmatically. asp.net textbox web server control
have a property named Font-Size. this property have few possible values such as String, Smaller, Larger, XX-Small, X-Large etc.
you can set the textbox font size by assigning it's Font-Size property value. to change a textbox text size programmatically
you need to change textbox Font.Size value. you can set textbox Font.Size value using FontUnit enumeration.
FontUnit structure represent the size of a font. as example FontUnit.Medium represent a FontUnit object with the type property
set to FontSize.Medium. the follow example show two button and a textbox control. when you click a specified button, the textbox change it's
text size to Large or XLarge.
TextBoxFontSize.aspx
<%@ Page Language="C#" %>
<!DOCTYPE html>
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)
{
TextBox1.Font.Size = FontUnit.Large;
}
protected void Button2_Click(object sender, System.EventArgs e)
{
TextBox1.Font.Size = FontUnit.XLarge;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>How to set, change TextBox font size</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:Green">TextBox Example: Font Size</h2>
<asp:Label
ID="Label1"
runat="server"
Text="Favorite Control"
>
</asp:Label>
<asp:TextBox
ID="TextBox1"
runat="server"
Text="XmlDataSource"
ForeColor="Crimson"
>
</asp:TextBox>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
ForeColor="SeaGreen"
Text="TextBox Large Font"
OnClick="Button1_Click"
Font-Bold="true"
/>
<asp:Button
ID="Button2"
runat="server"
Font-Bold="true"
ForeColor="SeaGreen"
Text="TextBox XLarge Font"
OnClick="Button2_Click"
/>
</div>
</form>
</body>
</html>
