Button in multiline inside gridview

Question

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CssClass="gridview"

             Width="900px" onrowdatabound="GridView1_RowDataBound">

        

        <Columns>

 

       <asp:TemplateField HeaderText="Title" ItemStyle-HorizontalAlign="left" ItemStyle-Width="30px"  >

       

       <ItemTemplate>

       <asp:Button ID="btn"  CssClass="button" ToolTip='<%# Bind("link_level3") %>' runat="server" OnClick="lbclick"  Text='<%# Bind("link_level3") %>' />

        </ItemTemplate>

           <ItemStyle HorizontalAlign="Left" />

        </asp:TemplateField>

              </Columns>

        </asp:GridView>

 I want use this button text in multiline if text is very long? how to solve this problem

 

Thanks