Update Button in DataGridView

Best Regards
Murali Krishna.S

SqlConnection con = Helper.getconnection();

            SqlCommand cmd = new SqlCommand();

            cmd.Connection = con;

            con.Open();

            cmd.CommandType = CommandType.Text;

            string PrjName = txtPrjNmae.Text;

            string Description = txtPrjdescription.Text;

           string Date = txtPrjDate.Text;

            string Size = txtPrjSize.Text;

            string Manager = txtPrjManager.Text;

            cmd.CommandText = "Update Projects set Description='" + Description + "', DateStarted='" + Date + "',TeamSize='" + Size + "',Manager='" + Manager + "' where ProjectName= '" + PrjName + "' ";

            MessageBox.Show("Project Details are updated");

            dataGridView2.Update();

            dataGridView2.Refresh();

            cmd.ExecuteNonQuery();

            con.Close();

Thank you,
Govind

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