Which form to show in treeview - c#

Hello,
I have created several forms.
In the afterselect event of a treeview control, I have placed the name of the forms.
depending on which name I click in the treeview, I would like the correct form to be loaded.
How do I modify the below code to get to what I need please?
Thanks
private
void tvLayouts_AfterSelect(object
sender, TreeViewEventArgs e)
string s = e.Node.Text;
Form1 frm;
if (s.ToLower() ==
"Form1")
frm =
new Form1();
else
if (s.ToLower() ==
"Form2")
frm = new
Form2();
frm.Show();

Hi,
Use this code.
string s = e.Node.Text.ToLower();
Form frm;
if (s ==
"form1")
frm = new
Form1();
else
if (s ==
"form2")
frm = new
Form2();
else
if (s ==
"form3")
frm = new
Form3();
                    if(frm != null)
                          frm.Show();
Regards,
Selva Ganapathy K
the compiler gives an error for the frm != null and it underlines frm
it says: use of unassigned local variable 'frm'
string s = e.Node.Text.ToLower();
Form frm;
if (s ==
"form1")
frm = new
Form1();
else
if (s ==
"form2")
frm = new
Form2();
else
if (s ==
"form3")
frm = new
Form3();
                    if(frm != null)
                          frm.Show();

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