using System;
using System.Data;
using System.IO;
using Excel;
using System.Windows.Forms;
namespace SambaNet.ConversaoPlanilhaExcel.Classes
{
public class LerPlanilha
{
IExcelDataReader excelReader = null;
FileStream stream = null;
public string tipo { get; set; }
public string filePath { get; set; }
bool erro = false;
DataSet ds = null;
DataTable dt = null;
//RETORNA UMA DATATABLE COM A SHEET ESCOLHIDA, NO CASO A 1 - Produtos
public DataTable Ler()
{
string extension = Path.GetExtension(filePath);
try
{
stream = File.Open(filePath, FileMode.Open, FileAccess.Read);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
erro = true;
}
if (!erro)
{
switch (extension)
{
case ".xls":
excelReader = ExcelReaderFactory.CreateBinaryReader(stream);
break;
case ".xlsx":
excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);
break;
}
excelReader.IsFirstRowAsColumnNames = true;
ds = excelReader.AsDataSet();
dt = ds.Tables[1];
dt = RemoverRows(dt);
FecharConexao();
return dt;
}
else
{
FecharConexao();
return null;
}
}
//RETORNA A DATATABLE SEM AS ROWS VAZIAS.
public DataTable RemoverRows(DataTable dt)
{
int columnCount = dt.Columns.Count;
for (int i = dt.Rows.Count - 1; i >= 0; i--)
{
bool allNull = true;
for (int j = 0; j < columnCount; j++)
{
if (dt.Rows[i][j] != DBNull.Value)
{
allNull = false;
}
}
if (allNull)
{
dt.Rows[i].Delete();
}
}
dt.AcceptChanges();
return dt;
}
public void FecharConexao()
{
excelReader.Close();
}
}
}I have the same problem it is only importing the first column of the excel file into the data set. Really stange because for other files it is working.
Did you find a solution?
Kind regards,
Jorrit
'Create a new DataTable.
Dim dt As New DataTable()
Dim lstream As FileStream = File.Open(strFileName, FileMode.Open, FileAccess.Read)
Dim lexcReader As IExcelDataReader = ExcelReaderFactory.CreateBinaryReader(lstream)
Dim lresult As DataSet = lexcReader.AsDataSet
lexcReader.IsFirstRowAsColumnNames = True
While lexcReader.Read
End While
lexcReader.Close()
lexcReader.Dispose()
Return lresult.Tables(0)