使用Aspose.Cells组件生成Excel文件列宽度自适应时出错：Column width must be between 0 and 255...

错误提示：Column width must be between 0 and 255

出错处：

/// <summary>

/// 设置表页的列宽度自适应

/// </summary>

/// <param name="sheet">worksheet对象</param>

void setColumnWithAuto(Worksheet sheet)

{

Cells cells = sheet.Cells;

int columnCount = cells.MaxColumn; //获取表页的最大列数

int rowCount = cells.MaxRow; //获取表页的最大行数

for (int col = 0; col < columnCount; col++)

{

sheet.AutoFitColumn(col, 0, rowCount);

}

for (int col = 0; col <