C # WinForm a value between forms

1. The parent form passes values to the subform:

Parent form:

1  New FRM Cash Bank code (1,0); 2   This ; 3  frm. ShowDialog ();

Subform:

1    int 0 ;       2          Public FRM Cash Bank code (int ty,int  IND)3        {4             InitializeComponent (); 5             type = ty; 6             index = ind; 7         }

Data Update:

1    Private void renovate () 2         {3             new  frm cash Bank (); 4             frm = (frm cash bank)this. Owner; 5             frm. BINDDGV ();  BINDDGV is the data in the parent form binding DGV,6         }

1  Private voidbtnSearch_Click (Objectsender, EventArgs e)2        3               ... Data deletion and Modification code4                 if(Res. Success) {5 renovate ();6                      This. Close ();7                 }8             Else9             {TenUtility.error ("Add failed:"+Res. ERRMSG); One}

2. The subform passes the value to the parent form

Parent form:

1  Private voidPb_wharehouse_click (Objectsender, EventArgs e)2         {3frm Warehouse Query frm =Newfrm warehouse query ();4frm. p_value+=Frm_e_value;5 frm. ShowDialog ();6         }7         voidFrm_e_value (stringvalue)8         {9Txt_wharehouse. Text =value; Values passed from the subformTen}

Subform:

1    Public Delegate voidT_value (String Value);2    Public EventT_value E_value;3   Private voidBtn_selected_click (Objectsender, EventArgs e)4         {5E_value ( This. Txt_lx. Text);6              This. Close ();7 8}

C # WinForm a value between forms