private void pesquizardatagridview(string Nome_Da_Coluna_A_Pesquizar)
{
BindingSource bs = new BindingSource();
bs.DataSource = dataGridView1.DataSource;
bs.Filter = Nome_Da_Coluna_A_Pesquizar + " like '%" + textBox1.Text + "%'";
dataGridView1.DataSource = bs;
}
A flower cannot blossom without sunshine, and man cannot live without love.