本方法，將傳入的Excel文件內(nèi)所有的Sheet內(nèi)的數(shù)據(jù)都填充入DataSet中。這是一個簡單快捷的方法，不足之處是不適合帶有格式復(fù)雜的Excel文件。

using?System.Data;
using?System.Data.OleDb;
using?System.Data.Odbc;

public?DataSet?GetDataSetFromExcel(string?filePath)
??{
???string?strConn??=?"Provider=Microsoft.Jet.OleDb.4.0;";?
???strConn?+=?"data?source="?+?filePath?+?";";?
???strConn?+=?"Extended?Properties=Excel?8.0;";??
???//strConn?+=?"HDR=Yes;IMEX=1";

???OleDbConnection?objConn?=?new?OleDbConnection(strConn);

???ArrayList?SheetNameList?=?new?ArrayList();
???
???try
???{
????objConn.Open();

????DataTable?dtExcelSchema?=?objConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables,new?object[]{null,null,null,"TABLE"});
??
????string?SheetName="";

????for(int?i=0;i<dtExcelSchema.Rows.Count;i++)
????{
?????SheetName?=?dtExcelSchema.Rows[i]["TABLE_NAME"].ToString();
?????SheetNameList.Add(?SheetName?);?
????}
???}
???catch(Exception?ex)
???{
????throw?ex;
???}
???finally
???{
????objConn.Close();
???}?

????????????DataSet?dsExcel?=?new?DataSet();

???try
???{
????string?strSql?=?"";
????
????for(int?i=0;?i<SheetNameList.Count;?i++)
????{
?????//string?strSql??="select?*?From?[Sheet1$e5:g23]";?
?????//string?strSql??="select?[F1],[F2],[F3]?From?[Sheet2$3:100]?";???
?????strSql?=?"select?*?from?["?+?(string)SheetNameList[i]?+?"]";
?????OleDbDataAdapter?oleExcelDataAdapter?=?new?OleDbDataAdapter(strSql,?objConn);
?????DataTable?dtExcel?=?new?DataTable((string)SheetNameList[i]);
?????oleExcelDataAdapter.Fill(dtExcel);
?????dsExcel.Tables.Add(dtExcel);????????
????}
????return?dsExcel;
???}
???catch(Exception?ex)
???{
????throw?ex;
???}
??}

轉(zhuǎn)載來自：http://blog.csdn.net/fangxinggood/archive/2005/06/18/397315.aspx

轉(zhuǎn)載于:https://www.cnblogs.com/greatandforever/archive/2009/07/22/1528274.html

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