asp.net - How to change a TextBox height programmatically

How to set, change TextBox height programmatically
asp.net textbox web server control Height property help you to manage textbox height at runtime. we can change the textbox height programmatically by asigning it's Height property value. Height property only accept numeric value. asp.net developers change textbox height for better user experience or make a exact readable textbox for higher font size. this example show you how can we set or change textbox height programmatically.
TextBoxHeight.aspx

<%@ Page Language="C#" %>

<!DOCTYPE html>

<script runat="server">
    protected void Button1_Click(object sender, System.EventArgs e)
    {
        TextBox1.Height = 25;
    }
    protected void Button2_Click(object sender, System.EventArgs e)
    {
        TextBox1.Height = 50;
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>How to set, change TextBox height programmatically</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2 style="color:Red">TextBox Example: Height</h2>
        <asp:Label 
             ID="Label1" 
             runat="server"
             Text="Favorite Flower"
             >
        </asp:Label>
        <asp:TextBox 
             ID="TextBox1" 
             runat="server"
             BackColor="LightPink"
             >
        </asp:TextBox>
        <br /><br />
        <asp:Button 
             ID="Button1" 
             runat="server" 
             ForeColor="DodgerBlue"
             Text="TextBox Height 25"
             OnClick="Button1_Click"
             Font-Bold="true"
             />
        <asp:Button 
             ID="Button2" 
             runat="server" 
             Font-Bold="true"
             ForeColor="DodgerBlue"
             Text="TextBox Height 50"
             OnClick="Button2_Click"
             />
    </div>
    </form>
</body>
</html>
Related asp.net example