public string Display(object obj, BackgroundWorker worker, DoWorkEventArgs eArgs)
{
string result = null;
bool bConnexion = true;
if (this.connexion == null || this.connexion.Cnn == null || this.connexion.Cnn.State.ToString() == "Closed")
{
connexion = new Connexion.Connexion("Oracle");
bConnexion = connexion.Open();
}
if (bConnexion)
{
result = DisplayQueryData(connexion, Convert.ToString(obj), dgv, worker, eArgs);
}
return result;
}
private void toolStripButtonDeleteCol_Click(object sender, EventArgs e)
{
if (
MessageBox.Show(
string.Format("Are you sure you want to drop the column {0} from the table {1} ?",
dataGridViewOracleFields.CurrentRow.Cells["cname"].Value, CurrentTablename),
"Drop column", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
string sql =
string.Format("ALTER TABLE {0} DROP COLUMN {1}", CurrentTablename,
dataGridViewOracleFields.CurrentRow.Cells["cname"].Value);
try
{
if (this.connexion == null || this.connexion.Cnn == null ||
this.connexion.Cnn.State.ToString() == "Closed")
{
connexion = new Connexion.Connexion("Oracle");
connexion.Open();
}
if (connexion.IsOpen)
{
using (DbCommand cmd = connexion.Cnn.CreateCommand())
{
cmd.CommandText = sql;
cmd.Prepare();
//int colno = 0;
int result = cmd.ExecuteNonQuery();
getTable();
}
}
}
catch (Exception ex)
{
string errorMessage = ex.Message;
while (ex.InnerException != null)
{
ex = ex.InnerException;
errorMessage += "\n" + ex.Message;
}
MessageBox.Show(errorMessage, "Unexpected error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void buttonSelectTarget_Click(object sender, EventArgs e)
{
FormConnection formConnection = new FormConnection();
//formConnection.MdiParent = this.ParentForm;
if (formConnection.ShowDialog() == DialogResult.OK)
{
if (!string.IsNullOrEmpty(formConnection.textBoxOracleUserId.Text)
&& !string.IsNullOrEmpty(formConnection.textBoxOraclePassword.Text)
&& !string.IsNullOrEmpty(formConnection.TNSNamesComboBox.Text))
{
Config.SaveLastConnectionInfo(formConnection.textBoxOracleUserId.Text,
formConnection.textBoxOraclePassword.Text,
formConnection.TNSNamesComboBox.Text);
labelTargetTnsnames.Text = string.Format("Source {0}@{1}", formConnection.textBoxOracleUserId.Text, formConnection.TNSNamesComboBox.Text);
TargetConnexion = new Connexion.Connexion("Oracle");
// Open connexions
TargetConnexion.Open(formConnection.textBoxOracleUserId.Text,
formConnection.textBoxOraclePassword.Text, formConnection.TNSNamesComboBox.Text);
TargetConnexion.Close();
}
}
}
private void toolStripButtonAddCol_Click(object sender, EventArgs e)
{
FormAddCol frmAddCol = new FormAddCol();
frmAddCol.labelTablename.Text = CurrentTablename;
frmAddCol.Tablename = CurrentTablename;
if (frmAddCol.ShowDialog() == DialogResult.OK)
{
// Create the column
string sql = frmAddCol.textBoxSql.Text;
try
{
if (this.connexion == null || this.connexion.Cnn == null ||
this.connexion.Cnn.State.ToString() == "Closed")
{
connexion = new Connexion.Connexion("Oracle");
connexion.Open();
}
if (connexion.IsOpen)
{
using (DbCommand cmd = connexion.Cnn.CreateCommand())
{
cmd.CommandText = sql;
cmd.Prepare();
//int colno = 0;
int result = cmd.ExecuteNonQuery();
getTable();
}
}
}
catch (Exception ex)
{
string errorMessage = ex.Message;
while (ex.InnerException != null)
{
ex = ex.InnerException;
errorMessage += "\n" + ex.Message;
}
MessageBox.Show(errorMessage, "Unexpected error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
frmAddCol.Close();
frmAddCol.Dispose();
}
private void buttonSelectSource_Click(object sender, EventArgs e)
{
FormConnection formConnection = new FormConnection();
//formConnection.MdiParent = this.ParentForm;
if (formConnection.ShowDialog() == DialogResult.OK)
{
if (!string.IsNullOrEmpty(formConnection.textBoxOracleUserId.Text)
&& !string.IsNullOrEmpty(formConnection.textBoxOraclePassword.Text)
&& !string.IsNullOrEmpty(formConnection.TNSNamesComboBox.Text))
{
labelSourceTnsnames.Text = string.Format("Source {0}@{1}", formConnection.textBoxOracleUserId.Text, formConnection.TNSNamesComboBox.Text);
SourceConnexion = new Connexion.Connexion("Oracle");
// Open connexions
SourceConnexion.Open(formConnection.textBoxOracleUserId.Text, formConnection.textBoxOraclePassword.Text, formConnection.TNSNamesComboBox.Text);
// Get Tables of source connexion
if (SourceConnexion.Cnn.State.ToString() != "Closed")
{
using (DbCommand cmd = SourceConnexion.Cnn.CreateCommand())
{
string SQL = "select distinct table_name " +
" from user_tables " +
" order by table_name ";
cmd.CommandText = SQL;
cmd.Prepare();
using (DbDataReader rd = cmd.ExecuteReader())
{
while (rd.Read())
{
SourceTablesCheckedListBox.Items.Add(rd.GetValue(0), false);
}
}
}
}
// close connexions
SourceConnexion.Close();
}
}
}