//데이터를 가져와서 그리드에 보여준다.
private void ShowData()
{
string query = "";
TextBox txtCrtl = new TextBox();
DataGridView dgv = new DataGridView();
txtCrtl = FindTextboxInTab(tabControl1.SelectedIndex);
dgv = FindDgvInTab(tabControl1.SelectedIndex);
if (txtCrtl.SelectedText.Trim() == "")
{
query = FindSelectQuery(txtCrtl.Text, txtCrtl.SelectionStart);
}
else
{
query = txtCrtl.SelectedText.Trim();
}
con = new DBCon(query);
con.DBFillData(dgv);
//System.Windows.Forms.MessageBox.Show(con.pkCnt.ToString());
}