How to use OnClientClick on button in asp.net c#

In this article, i have discussed how to use OnClientClick on button; we have just need to pass a JavaScript below function

OnClientClick="window.location.href='listyourplace.aspx'; return false;"

<asp:Button ID="Btnlist" runat="server" BackColor="#6ca77c" Text="List Your Place"     OnClientClick="window.location.href='listyourplace.aspx'; return false;" />

If "return false" is execute then it would never submit and OnClick(which is sever side would never executed).

"return false" statement should be conditional.

for example :-

You have needed to pass on dropdown values

    if (selectedItemsCount == 0)

{                      

    alert("Select at least one item!");

    return false;

}

else

{

    // this path ensures that when user selects at least 1 item then it

    // proceeds to server side code OnClick to be executed.

    return true;

}

On that time you need to pass code like below:-

OnClientClick="javascript:selectedItems();"