if file exist open new form problem

Question

I work in c# visual studio 2015 windows form 

 

I have two forms

 

CreateDatabase Form

 

Form1 form

 

I need when open my application to check IF Excel file exist or not

 

IF Excel file not exist go to form CreateDatabase Form if excel file not exist

 

And

 

IF   excel file database exist before open form1 

 

How to do that please

 

what i try as following :

 

in form1 load event i write following code

CreateDatabase frm = new CreateDatabase();
           var fileName = string.Format("{0}\\Book3105.xlsx", Directory.GetCurrentDirectory());
           if (!File.Exists(fileName))
           {

               Form1 frm1 = new Form1();
               frm.Show();
               frm1.Hide();


           }
           else
           {


               frm.Hide();
               this.Show();
           }