VB.NET数据库编程指南绘制柱状图与PPT合并技巧

案例名称：dotnetCHARTING 绘制图表，工程名称为 Proj7-2。Class ShowData：属性 Private _phaysicalimagepath As String，图片存放路径，Private _title As String，图片标题，Private _xtitle As String，图片x坐标名称，Private _ytitle As String，图片y坐标名称，Private _seriesname As String，图例名称，Private _picwidth As Integer，图片宽度，Private _pichight As Integer，图片高度，Private _dt As DataTable，图片数据源。Public Property PhaysicalImagePath() As String：获取图片存放路径。