取ds的行数,FOR数组遍历，没有用foreach

最新推荐文章于 2023-04-14 10:19:12 发布

fans_langdou

最新推荐文章于 2023-04-14 10:19:12 发布

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本文介绍了一种通过处理数据集来构建动态图表的方法。利用数据集的行数确定要显示的图表元素数量，并通过循环遍历数据集，将每行的数据转换成适合图表使用的格式。此外，还介绍了如何为每个图表元素分配不同的颜色。

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string[] strColor = { "#ff88a2", "#909de0", "#3fa9f5", "#ff88a2", "#ff0000", "#ffeea2", "#af88a2", "#68B917", "#af88a2", "#ff8ea2", "#f368a2", "#ff88a2", "#909de0", "#3fa9f5", "#ff88a2", "#ff0000", "#ffeea2", "#af88a2", "#68B917", "#af88a2", "#ff8ea2", "#f368a2", "#ff88a2", "#909de0", "#3fa9f5", "#ff88a2", "#ff0000", "#ffeea2", "#af88a2", "#68B917", "#af88a2", "#ff8ea2", "#f368a2", "#ff88a2", "#909de0", "#3fa9f5", "#ff88a2", "#ff0000", "#ffeea2", "#af88a2", "#68B917", "#af88a2", "#ff8ea2", "#f368a2" };

string strRyMajorTop = "";
//取ds的行数-1为显示的个数
int intRowsCount = DsRyMajorTop.Tables[0].Rows.Count-1;
for (int i = 2; i <= intRowsCount; i++)
{
strRyMajorTop = strRyMajorTop + "{name:\"" + DsRyMajorTop.Tables[0].Rows[i][0].ToString() + "\", value:" + DsRyMajorTop.Tables[0].Rows[i][1].ToString() + ", color:\"" + strColor[i] + "\"},";
}
strRyMajorTop = "[" + strRyMajorTop.Substring(0, strRyMajorTop.Length - 1) + "]";