Required to fill data Faster

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C#

WinForms

DataGridView

treeview

Hello,

i have code like this :

tabControlEx1.TabPages[k].Controls.Add(dgSMS);
Where tabControlEx1 = Tabview
TabPages[k] = Tabview`s tab page
dgSMS = DataGridView.

Now i am just adding the DataGridview control into tabpage over here.
my data datagridview is already bind at page load. so i have datagridview with all my required data.
i am just adding datagridview into my tabpage on button click.
The problem is that, its taking much time to display data if datagridview is contaning more that 400 rows.
So is that any solution to display data faster?

I don`t want to use pagging.

Thanks,
Viprat