I have not accessed sheets by index, I have however use this code to access
single sheet excel files, regardless of the sheet's name
public String getFirstSheet(){
OleDbConnection connection=null;
try{
connection=getConnection(); //This contains your logic to obtan a
connection to the excel file
System.Data.DataTable lookup;
connection.Open();
lookup
=connection.GetOleDbSchemaTable(System.Data.OleDb. OleDbSchemaGuid.Tables,nul
l);
connection.Close();
connection.Dispose();
System.String table;
table = (System.String)lookup.Rows[0]["TABLE_NAME"];
if(table.Length > 2 && table.StartsWith("$") && table.EndsWith("$")){
table = table.Substring(1, table.Length - 2);
}
return table;
}
catch(Exception ex){
if (connection==null){
connection.Dispose();
}
throw new ApplicationException("No se pudo abrir archivo",ex);
}
}
Lookup.Rows contains information about the sheets in the book, it is however
sorted alfabetically.
Anyways, hope this helps
JR
"Acephalus" <ko***@hotmail-dot-com.no-spam.invalid> escribió en el mensaje
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I am currently using this to get data from an .xls
file:string conn =
"Provider=Microsoft.Jet.OLEDB.4.0;" +
"Data Source=" + file + ";" +
"Extended Properties=Excel 8.0;";
System.Data.OleDb.OleDbDataAdapter adapter =
new System.Data.OleDb.OleDbDataAdapter("SELECT * FROM
[Sheet1$]",conn);
DataSet ds = new DataSet();
adapter.Fill(ds);
The problem is there has to be a sheet in that .xsl file, called
"Sheet1", otherwise the program generates an exception. Is there a
way to access sheets by index rather than name? Or maybe a better way
of getting data from .xsl files overall?
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