web图表模块设计

对数据库中的数据实现各种图表的显示 usingSystem; usingSystem.Collections.Generic; usingSystem.Data; usingSystem.Data.SqlClient; usingSystem.Linq; usingSystem.Web; usingSystem.Web.UI; usingSystem.Web.UI.WebControls; usingMicrosoft.Office.Interop.Owc11; publicpartialclassmianjitu:System.Web.UI.Page {