SQL 쿼리로 Excel 파일 내보내기 샘플입니다.
기존에 DataGridView 를 내보내는것을 약간 수정했습니다. ( 엑셀 내보내기 , Exporting DataGridview To Excel : http://www.uhoon.co.kr/dotnet/1897 )
private void button1_Click(object sender, EventArgs e) {
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "Excel Documents (*.xls)|*.xls";
sfd.FileName = "fileName.xls";
if (sfd.ShowDialog() == DialogResult.OK) {
ToCsV(sfd.FileName);
}
}
private void ToCsV(string filename) {
string stOutput = "";
string sHeaders = "";
string SQL = "SELECT * FROM *********";
SqlConnection conn = new SqlConnection(ConnectionString);
conn.Open();
SqlCommand cmd = new SqlCommand(SQL, conn);
SqlDataReader dr = cmd.ExecuteReader();
// Loop through the fields and add headers
for (int i = 0; i < dr.FieldCount; i++) {
string name = dr.GetName(i);
sHeaders = sHeaders.ToString() + name.ToString() + "\t";
}
stOutput += sHeaders + "\r\n";
// Loop through the rows and output the data
while (dr.Read()) {
string stLine = "";
for (int i = 0; i < dr.FieldCount; i++) {
string value = dr[i].ToString();
stLine = stLine.ToString() + value.ToString() + "\t";
}
stOutput += stLine + "\r\n";
}
Encoding utf16 = Encoding.GetEncoding(1254);
byte[] output = utf16.GetBytes(stOutput);
FileStream fs = new FileStream(filename, FileMode.Create);
BinaryWriter bw = new BinaryWriter(fs);
bw.Write(output, 0, output.Length); //write the encoded file
bw.Flush();
bw.Close();
fs.Close();
}