How to fire a button click event on hitting enter key

I have a button  on a page which is associated with a text box. After entering the data in the text box.. I would like to fire the button click event as Submit even also when we hit enter. How can i implement this functionality.

The page load, button click and the text box code is given below


If i need to add any javascript code also do let me know the syntax in detail.Start Free Trial

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private void btnSearch_Click(object sender, EventArgs e)
		{
			Logger.SearchInstance.Debug(txtCustomer.Text);
			RunSearch();
		}
 
 
private void Page_Load(object sender, EventArgs e)
		{
			if (!Page.IsPostBack)
			{
				BindData();
 
				
				if (HasSearchTerms())
				{
					LoadForm();
					RunSearch();
				}
 
			}