GridView實現用“...”代替超長字符串?

<a href="#" WorkDiary_Slove_Details.aspx?ID="+Eval("ID") %>','_blank','left=210,top=120,width=400,height=200')"><%# Eval("Solve").ToString().Length > 7 ? Eval("Solve").ToString().Substring(0, 5) + "..." : Eval("Solve").ToString()%> </a>