private void btnReflesh_Click(object sender, EventArgs e)
{
if (null == cbbProviders.SelectedItem)
{
MessageBox.Show(
"Select Data Provider first!",
frmMain._Name,
MessageBoxButtons.OK,
MessageBoxIcon.Warning
);
return;
}
this.BackColor = SystemColors.ControlDark;
lbxTables.Items.Clear();
clbColumns.Items.Clear();
DataSettings.Add(
frmMain._Name,
txtConnectionString.Text,
cbbProviders.SelectedItem.ToString()
);
DoneSchema = false;
Task.Factory.StartNew(() => ReadSchema());
}
RefreshTask(object provider, string connectionString)
{
if (null == provider)
{
MessageBox.Show(
"Select Data Provider first!",
frmMain._Name,
MessageBoxButtons.OK,
MessageBoxIcon.Warning
);
new Tuple <
ISqlFormater,
IQueryable <TableSchema>,
IQueryable <ViewSchema>,
IQueryable <PackageSchema> >(null, null, null, null);
}
DataSettings.Add(
frmMain._Name,
connectionString,
provider.ToString()
);
try {
ISqlFormater formater;
IQueryable <TableSchema> tableSchemas;
IQueryable <ViewSchema> viewSchemas;
IQueryable <PackageSchema> packageSchemas;
using (var api = new EntityApi(_Name)) {
formater = api.Formater;
tableSchemas = api.Builder.TableSchemas;
viewSchemas = api.Builder.ViewSchemas;
packageSchemas = api.Builder.PackageSchemas;
}
return(new Tuple <
ISqlFormater,
IQueryable <TableSchema>,
IQueryable <ViewSchema>,
IQueryable <PackageSchema> >(
formater,
tableSchemas,
viewSchemas,
packageSchemas
));
} catch (Exception ex) {
MessageBox.Show(
ex.Message,
frmMain._Name,
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
return(new Tuple <
ISqlFormater,
IQueryable <TableSchema>,
IQueryable <ViewSchema>,
IQueryable <PackageSchema> >(null, null, null, null));
}
}