---
title: "How to Open 3rd Form in 1st Forms panel"  
description: "How to Open 3rd Form in 1st Forms panel"  
author: "Manmohan Jha"  
published: 2014-02-13  
updated: 2014-02-17  
canonical: https://www.mindstick.com/forum/1971/how-to-open-3rd-form-in-1st-forms-panel  
category: "c#"  
tags: ["c#"]  
reading_time: 1 minute  

---

# How to Open 3rd Form in 1st Forms panel

Fist [Forms](https://www.mindstick.com/interview/34192/what-is-the-purpose-of-the-authentication-mode-forms-element-in-web-config) [Button Click](https://www.mindstick.com/forum/790/form-gets-submiited-twice-on-button-click):-\
Show [Second](https://answers.mindstick.com/qa/41761/how-did-the-second-industrial-revolution-influence-women-s-roles-in-society) [Form](https://www.mindstick.com/forum/6/multi-form-mfc-application) in First Forms Panel...\
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If Second Forms Button Click:-\
Then Show 3rd form in First Forms Panel...\
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How???\
Urgent...\
Please Help me...\
\

## Replies

### Reply by Anonymous User

This is the code in first form [button](https://www.mindstick.com/articles/63/how-to-add-button-in-datagridview-in-csharp-dot-net) [click](https://www.mindstick.com/articles/12423/social-login-magento-2-one-click-to-register-social) event to open second form \
private void button1_Click(object sender, EventArgs e) { panel1.Controls.Clear(); panel1.Visible = true; Form2 f1 = new Form2(panel1); f1.TopLevel = false; f1.AutoScroll = true; f1.Show(); panel1.Controls.Add(f1); }\
here is the coding to open third form in first form panel\
Panel panel = null; public Form2(Panel panel) { InitializeComponent(); this.panel = panel; }\
private void button1_Click(object sender, EventArgs e) { Form3 f2 = new Form3(); panel.Controls.Clear(); panel.Visible = true; f2.TopLevel = false; f2.AutoScroll = true; f2.Show(); panel.Controls.Add(f2); this.Close(); }


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Original Source: https://www.mindstick.com/forum/1971/how-to-open-3rd-form-in-1st-forms-panel

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