[英]'context.Request' threw an exception of type 'System.Web.HttpException'
[英]Exception Details: System.Web.HttpException: Maximum request length exceeded
我試圖使用下面的代碼將Excel文件中的數據讀入ADO.NET數據集。 在Windows窗體應用程序中它可以工作,但在asp.net應用程序中它失敗了。
public static DataTable ArchiveData(string fileName)
{
FileStream stream = File.Open(fileName, FileMode.Open, FileAccess.Read);
//Reading from a OpenXml Excel file (2007 format; *.xlsx)
IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);
excelReader.IsFirstRowAsColumnNames = true;
DataSet result = excelReader.AsDataSet();
//Free resources (IExcelDataReader is IDisposable)
excelReader.Close();
return result.Tables["Archive data"];
}
堆棧跟蹤:
[HttpException (0x80004005): Maximum request length exceeded.]
System.Web.HttpRequest.GetEntireRawContent() +8793522
System.Web.HttpRequest.GetMultipartContent() +62
System.Web.HttpRequest.FillInFormCollection() +236
System.Web.HttpRequest.get_Form() +68
System.Web.HttpRequest.get_HasForm() +8745879
System.Web.UI.Page.GetCollectionBasedOnMethod(Boolean dontReturnNull) +97
System.Web.UI.Page.DeterminePostBackMode() +63
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +133
或者有更好的方法從客戶端計算機讀取Excel文件到ASP.NET中的ADO.NET DataTable
在web.config文件中添加以下標記,並檢查它是否有效
<httpRuntime maxRequestLength="350000" enableVersionHeader="false" maxQueryStringLength="3584" executionTimeout="600"/>
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