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[英]How to draw a straight line at Value X with WinRTXamlToolkit.Controls.DataVisualization?
[英]How draw line chart to EXCEL use cell value X.X (for example double 0,1 - 1,1 - … - x,1)
我可以在沒有分數(0、1、2、... 9)的單元格值時繪制圖表,但是當單元格值有(0,1 或其他小數)時,我在打開 excel 文件時看到錯誤:
“刪除部分:/xl/drawings/drawing1.xml 部分。(圖紙)”
我一整天都找不到解決方案。 也許有人面臨這個問題。
謝謝你的幫助。
**解釋問題的代碼:**
class Program
{
const int NUM_OF_ROWS = 3;
const int NUM_OF_COLUMNS = 10;
static void CreateChart(IDrawing drawing, ISheet sheet, IClientAnchor anchor)
{
IChart chart = drawing.CreateChart(anchor);
IChartLegend legend = chart.GetOrCreateLegend();
legend.Position = LegendPosition.TopRight;
ILineChartData<double, double> data = chart.ChartDataFactory.CreateLineChartData<double, double>();
// Use a category axis for the bottom axis.
IChartAxis bottomAxis = chart.ChartAxisFactory.CreateCategoryAxis(AxisPosition.Bottom);
IValueAxis leftAxis = chart.ChartAxisFactory.CreateValueAxis(AxisPosition.Left);
IChartDataSource<double> xs = DataSources.FromNumericCellRange(sheet, new CellRangeAddress(0, 0, 0, NUM_OF_COLUMNS - 1));
IChartDataSource<double> ys1 = DataSources.FromNumericCellRange(sheet, new CellRangeAddress(1, 1, 0, NUM_OF_COLUMNS - 1));
data.AddSeries(xs, ys1);
chart.Plot(data, bottomAxis, leftAxis);
}
static void Main(string[] args)
{
IWorkbook wb = new XSSFWorkbook();
ISheet sheet = wb.CreateSheet("linechart");
// Create a row and put some cells in it. Rows are 0 based.
IRow row;
ICell cell;
for (int rowIndex = 0; rowIndex < NUM_OF_ROWS; rowIndex++)
{
row = sheet.CreateRow((short)rowIndex);
for (int colIndex = 0; colIndex < NUM_OF_COLUMNS; colIndex++)
{
cell = row.CreateCell((short)colIndex);
//This generate graph
//cell.SetCellValue(colIndex * (rowIndex + 1));
//This make error when open Excel file
cell.SetCellValue(colIndex * (rowIndex + 1) + 0.1);
}
}
IDrawing drawing = sheet.CreateDrawingPatriarch();
IClientAnchor anchor1 = drawing.CreateAnchor(0, 0, 0, 0, 0, 5, 10, 8);
CreateChart(drawing, sheet, anchor1);
//Write to Excel file
using (FileStream fs =File.Create("test.xlsx"))
{
wb.Write(fs);
}
}
我找到了解決方案 - 不是完美的,但它是有效的。
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