private void btnTestConn_Click(object sender, EventArgs e)
{
lblMsj.Text = "";
string ConnString = txtConnString.Text;
if (DataFlexODBC.TestConnection(ConnString))
{
MessageBox.Show("Conexión exitosa");
}
else
{
MessageBox.Show("Falló la conexión");
}
}
private void btnExecute_Click(object sender, EventArgs e)
{
lblMsj.Text = "";
txtMaxRowCount.Text = "100";
string ConnString = txtConnString.Text;
if (!DataFlexODBC.TestConnection(ConnString))
{
MessageBox.Show("Falló la conexión");
return;
}
string sql = txtSql.Text;
DataTable dt = DataFlexODBC.Select(ConnString, sql);
gvResult.DataSource = dt;
}
private void btnExport_Click(object sender, EventArgs e)
{
lblMsj.Text = "";
string ConnString = txtConnString.Text;
if (!DataFlexODBC.TestConnection(ConnString))
{
MessageBox.Show("Falló la conexión");
return;
}
string tableName = cbTabla.Text;
if (string.IsNullOrEmpty(tableName))
{
MessageBox.Show("Debe seleccionar una tabla de la lista");
}
int maxRowCount = 100000000;
txtMaxRowCount.Text = maxRowCount.ToString();
if (!string.IsNullOrEmpty(txtMaxRowCount.Text))
{
try
{
maxRowCount = int.Parse(txtMaxRowCount.Text);
}
catch { }
}
DataTable dt = DataFlexODBC.Export(ConnString, tableName, maxRowCount, lblMsj);
StringBuilder sb = new StringBuilder();
string[] columnNames = dt.Columns.Cast <DataColumn>().
Select(column => column.ColumnName).
ToArray();
sb.AppendLine(string.Join(",", columnNames));
foreach (DataRow row in dt.Rows)
{
string[] fields = row.ItemArray.Select(field => field.ToString()).
ToArray();
sb.AppendLine(string.Join(",", fields));
}
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.RestoreDirectory = true;
saveFileDialog.Filter = "CSV|*.csv";
saveFileDialog.DefaultExt = "csv";
saveFileDialog.FileName = tableName + ".csv";
var res = saveFileDialog.ShowDialog();
if (res == DialogResult.OK)
{
File.WriteAllText(saveFileDialog.FileName, sb.ToString());
}
gvResult.DataSource = dt;
}
