private void saleanalyse_Load(object sender, EventArgs e)
{
color.load();
dataBaseConnection();//连接数据库
//获取product表数据
DataTable product = new DataTable();
product = this.getProduct(); //调用getProduct方法
//获取saleproduct表数据
DataTable saleproduct = new DataTable();
saleproduct = this.getSaleproduct(); //调用getSaleproduct方法
//创建对象数组
saleProduct[] sale = new saleProduct[product.Rows.Count];
for (int i = 0; i < product.Rows.Count; i++)
{
sale[i] = new saleProduct();
}
//调用analyse()方法，统计出各个同名称产品销售的数量
analyse(product, saleproduct, sale);
//调用createImage()方法，根据同类名称产品销售的数量绘制饼状图
createImage(ref sale);
//关闭数据库连接
conn.Close();
}
private void toolStripButton2_Click(object sender, EventArgs e)
{
//获取product表数据
DataTable product = new DataTable();
product = this.getProduct(); //调用getProduct方法
//获取saleproduct表数据
DataTable saleproduct = new DataTable();
saleproduct = this.getioutproduct(); //调用getSaleproduct方法
//创建对象数组
saleProduct[] sale = new saleProduct[product.Rows.Count];
for (int i = 0; i < product.Rows.Count; i++)
{
sale[i] = new saleProduct();
}
//调用analyse()方法，统计出各个同名称产品销售的数量
analyse(product, saleproduct, sale);
//调用createImage()方法，根据同类名称产品销售的数量绘制饼状图
createImage(ref sale, 2);
//关闭数据库连接
conn.Close();
}