/// <summary>
/// Loads the grid and column list controls according to the specified query
/// </summary>
/// <param name="sSQL"></param>
private void LoadQueryRecords(string sSQL)
{
if (sSQL.Trim() == string.Empty)
{
MessageBox.Show("The SQL query was empty! Please enter a valid SQL query!");
return;
}
try
{
Cursor.Current = Cursors.WaitCursor;
m_TableInfo = DatabaseUtilities.LoadDataTable(m_sSqlConnectionString, cmbDatabases.Text, sSQL);
dgTableInfo.DataSource = m_TableInfo;
// load the list of columns to include in the generator
chklstIncludeFields.Items.Clear();
foreach (DataColumn col in m_TableInfo.Columns)
{
// exclude the primary/auto-increment key by default, but select/check all the others
chklstIncludeFields.Items.Add(col.ColumnName, (chklstIncludeFields.Items.Count > 0));
}
}
catch (Exception ex)
{
MessageBox.Show("LoadQueryRecords error: " + ex.Message);
}
finally
{
Cursor.Current = Cursors.Default;
UpdateControls();
}
}
private void cmbDatabases_SelectedIndexChanged(object sender, EventArgs e)
{
if (cmbDatabases.SelectedIndex < 0)
{
return;
}
// user selected a different database, so load the table combobox
try
{
Cursor.Current = Cursors.WaitCursor;
cmbTables.DataSource = null;
cmbTables.Items.Clear();
cmbTables.DisplayMember = "TableSchemaAndName";
cmbTables.ValueMember = "TableSchemaAndName";
DataTable dt = DatabaseUtilities.GetDatabaseTables(m_sSqlConnectionString, cmbDatabases.Text);
cmbTables.DataSource = dt;
}
catch (Exception ex)
{
MessageBox.Show("cmbDatabases_SelectedIndexChanged error: " + ex.Message);
}
finally
{
Cursor.Current = Cursors.Default;
UpdateControls();
}
}
/// <summary>
/// Initializes the database combobox control
/// </summary>
private void InitializeDatabaseControls()
{
try
{
Cursor.Current = Cursors.WaitCursor;
cmbDatabases.DataSource = null;
cmbDatabases.Items.Clear();
cmbTables.DataSource = null;
cmbTables.Items.Clear(); // clear the tables also since they'll be invalid
cmbDatabases.DisplayMember = "DATABASE_NAME";
cmbDatabases.ValueMember = "DATABASE_NAME";
DataTable dt = DatabaseUtilities.GetDatabases(m_sSqlConnectionString);
cmbDatabases.DataSource = dt;
}
catch (Exception ex)
{
MessageBox.Show("Error loading database-tables into list: " + ex.Message);
}
finally
{
Cursor.Current = Cursors.Default;
UpdateControls();
}
}
