Return don't work with this code

program:
Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new MrSViews.HomeMain());

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home form :
load event :

CompanyConfig.CheckData frml = new CompanyConfig.CheckData();
frml.ShowDialog();


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login :
if (loginCount != 0)
            {
//true got to home
              }
 else
            {
                LBLerrorMSG.Text = strings.PASSWORD_IS_NOT_CORRECT;
                LBLerrorMSG.ForeColor = ProjectColors.ErrorNormal;
                return;

            }