本篇文章主要介绍了C#实现几十万级数据导出Excel及Excel各种操作实例，这里整理了详细的代码,有需要的小伙伴可以参考下。
先上导出代码
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///
/// 导出速度最快
///
/// <列名，数据>
///
///
public bool NewExport(List list, string filepath)
{
bool bSuccess = true;
Microsoft.Office.Interop.Excel.Application appexcel = new Microsoft.Office.Interop.Excel.Application();
System.Reflection.Missing miss = System.Reflection.Missing.Value;
appexcel = new Microsoft.Office.Interop.Excel.Application();
Microsoft.Office.Interop.Excel.Workbook workbookdata = null;
Microsoft.Office.Interop.Excel.Worksheet worksheetdata = null;
Microsoft.Office.Interop.Excel.Range rangedata;
workbookdata = appexcel.Workbooks.Add();
//设置对象不可见
appexcel.Visible = false;
appexcel.DisplayAlerts = false;
try
{
foreach (var lv in list)
{
var keys = lv.Key as List;
var values = lv.Value as List<ilist
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