Excel Interior.ColorIndex色彩列表

Microsoft.Office.Interop.Excel.Range range;

for (int i = 0; i < dt.Columns.Count; i++)
{
worksheet.Cells[1, i + 1] = dt.Columns[i].ColumnName;
range = (Microsoft.Office.Interop.Excel.Range)worksheet.Cells[1, i + 1];
//设置区域背景色
range.Interior.ColorIndex = 15;
}