Grid is not refreshing after closing the child form in VB .NET

See more:

VB

i have a windows form application where in one main form i have grid consists of list of people.

i have created another form to edit the people information.

I have selected one guest and click on label link to edit the information it will open the second form.
After updating the information and closing the second form the grid in main form is not refreshing.

What I have tried:

Dim frm As New Edit_Details
IsMdiContainer = True
frm.MdiParent = Me.MdiParent
Forms.Add(frm, "Edit_Details")
frm.Show()


can someone help me regarding this