grid height issue when shown inside a window

[shahzeb]

I have an issue with kendo grid i have a \[code\]window\[/code\] and inside the window there is a \[code\]tabstrip\[/code\] the content of the tab is two grid which are shown in tab1 and tab2 respectively ,also the window is invisible at first.My problem is the \[code\]grid in the second tab height\[/code\] exceeds the original grid-content height.i have recreated the problem in jsfiddle clickhere.I think someone can help me.