.net - C# and excel automation, how to use the CopyFromRecordset function -



.net - C# and excel automation, how to use the CopyFromRecordset function -

i trying populate excel file info sql server,

my code follows,

public static void sqltoexcel(excel.workbook xlworkbook, string sql, string tformat) { string connectionstring = configurationmanager.connectionstrings["ansicconnection"].connectionstring; sqlconnection conn; conn = new sqlconnection(connectionstring); conn.open(); using (sqlcommand cmd = new sqlcommand(sql, conn)) { sqldatareader reader = cmd.executereader(); if (reader.hasrows) { reader.read(); ((range)xlworkbook.sheets["cover"].range("d6")).copyfromrecordset(reader); } reader.close(); } conn.close(); }

i next error

{"no such interface supported (exception hresult: 0x80004002 (e_nointerface))"}

do need convert reader array?

c# .net excel-automation

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