private void btn_new_Click(object sender, EventArgs e)
{
var queryform = new QueryManagerForm();
queryform.parentForm = this;
queryform.ShowDialog();
}
private void dataGridView1_CellDoubleClick_1(object sender, DataGridViewCellEventArgs e)
{
DataTable dt = (DataTable)this.dataGridView1.DataSource;
var rowindex = e.RowIndex;
var queryform = new QueryManagerForm();
queryform.parentForm = this;
queryform.setdata(dt.Rows[rowindex][0].ToString(),
dt.Rows[rowindex][1].ToString());
queryform.ShowDialog();
}