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SqlConnection conn = BaseClass.connClass.DataConn();
conn.Open();
SqlCommand cmd = new SqlCommand("insert into tb_tel ([UserName],[UserSex],[UserTel]) values ('" + textBox1.Text + "','" + comboBox1.SelectedItem.ToString() + "','" + textBox3.Text + "')", conn);
cmd.ExecuteNonQuery();
MessageBox.Show("添加联系人成功");
textBox1.Text = "";
textBox3.Text = "";
conn.Close();