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我正在处理asp.net c#应用程序,其中我从用户处取得excel文件,并将其上传到服务器后,将此文件的内容打印在我的页面上,是好的,但当我打开连接未指定的错误发生在connExcel.Open();在以下代码中:与excel文件打开连接时出现未指定的错误
private void ImportToGrid(string File_Path, string Extenstion)
{
string ConnStr = "";
switch (Extenstion)
{
case ".xls": //Excel 97-03
ConnStr = ConfigurationManager.ConnectionStrings["Excel03ConString"].ConnectionString;
break;
case ".xlsx": //Excel 07
ConnStr = ConfigurationManager.ConnectionStrings["Excel07ConString"].ConnectionString;
break;
}
ConnStr = String.Format(ConnStr, File_Path, "No");
OleDbConnection connExcel = new OleDbConnection(ConnStr);
OleDbCommand cmdExcel = new OleDbCommand();
OleDbDataAdapter oda = new OleDbDataAdapter();
DataTable dt = new DataTable();
cmdExcel.Connection = connExcel;
connExcel.Open();
DataTable dtExcelData;
dtExcelData = connExcel.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
connExcel.Close();
connExcel.Open();
cmdExcel.CommandText = "SELECT * From [Sheet1$]";
oda.SelectCommand = cmdExcel;
oda.Fill(dt);
connExcel.Close();
GridView_Excel.Caption = Path.GetFileName(File_Path);
ViewState["GridviewData"] = dt;
GridView_Excel.DataSource = ViewState["GridviewData"] as DataTable;
GridView_Excel.DataBind();
}
该代码在开发服务器上正常工作。
请帮我:(
外貌就像你在dev上安装了不同的组件版本一样私奔电脑和服务器上。 –
是的,有很多项目是不同的版本安装:( –
检查此http://stackoverflow.com/a/6570111/2224701 –