public ActionResult <IEnumerable <Person> > Get(ExcelReaderRequest request)
{
string fileurl = System.IO.Directory.GetCurrentDirectory() + "\\Excel Document\\" + request.fileName;
var results = new PersonAdaptor(fileurl, request.sheetName)
.Execute();
return(Ok(results));
}
internal DataSet ReadExcelFile(ExcelReaderRequest excelReaderRequest)
{
try
{
String connectionString = string.Empty;
if (excelReaderRequest.FileExtensiion.ToUpper().CompareTo(".XLS") == 0)
{
connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + excelReaderRequest.FilePath + @";Extended Properties=""Excel 8.0;HDR=YES;""";
}
else if (excelReaderRequest.FileExtensiion.ToUpper().CompareTo(".XLSX") == 0)
{
connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + excelReaderRequest.FilePath + @";Extended Properties=""Excel 12.0 Xml;HDR=YES;IMEX=1""";
}
OleDbConnection connection = new OleDbConnection(connectionString);
OleDbDataAdapter adapter = new OleDbDataAdapter();
OleDbCommand selectCommand = new OleDbCommand();
connection.Open();
DataTable worksheets;
worksheets = connection.GetSchema("Tables");
DataRow dr1 = worksheets.Rows[0];
Object[] rowitems = dr1.ItemArray;
String item1 = "";
item1 = Convert.ToString(rowitems[2]);
DataTable columns;
String[] restrictions = { null, null, item1, null };
columns = connection.GetSchema("Columns", restrictions);
//columns = connection.GetSchema("Columns");
int fieldcount = 0;
fieldcount = columns.Rows.Count;
int[] fieldnoarr = new int[fieldcount];
String[] fieldarr = new String[fieldcount];
String selectstr = "select ";
DataRow drc; Object[] temparr;
for (int jj = 0; jj <= fieldcount - 1; jj++)
{
//DataRow drc = columns.Rows[jj];
drc = columns.Rows[jj];
//Object[] temparr = drc.ItemArray;
temparr = drc.ItemArray;
fieldnoarr[jj] = Convert.ToInt32(temparr[6]);
fieldarr[fieldnoarr[jj] - 1] = (String)temparr[3];
}
for (int jj = 0; jj <= fieldcount - 1; jj++)
{
if (jj == 0)
{
selectstr += "[" + fieldarr[jj] + "]";
}
else
{
selectstr += "," + "[" + fieldarr[jj] + "]";
}
}
selectstr += " FROM [" + item1 + "]";
selectCommand.CommandText = selectstr;
selectCommand.Connection = connection;
adapter.SelectCommand = selectCommand;
DataSet transrows = new DataSet();
adapter.Fill(transrows, item1);
return(transrows);
}
catch (Exception ex)
{
return(null);
}
}
