附带照片一张

代码如下：

protected void btnSubmit_Click(object sender, EventArgs e)
    {
        if (txtName.Text == "" || txtNum.Text == "" || txtPwd.Text == ""||TextBox1.Text==""||TextBox2.Text=="")        {
            MessageBox.Show("请将信息填写完整");
            return;
        }
        else
        {
            SqlConnection conn = BaseClass.DBCon();
            conn.Open();
            SqlCommand cmd = new SqlCommand("select count(*) from 学员表 where ID='" + txtNum.Text + "'", conn);
            int i = Convert.ToInt32(cmd.ExecuteScalar());
            if (i > 0)
            {
                MessageBox.Show("此ID已经存在");
                return;
            }
            else
            {
                cmd = new SqlCommand("insert into 学员表(学员ID，学员名，学员密码,真实姓名，受理点ID，学员性别，允许折扣，允许欠费，允许退费) values('" + txtNum.Text.Trim() + "','" + txtName.Text.Trim() + "','" + txtPwd.Text.Trim() + "','" + TextBox1.Text.Trim() + "','" + TextBox2.Text.Trim() + "','" + rblSex.SelectedValue.ToString() + "','" + RadioButtonList1.SelectedValue.ToString() + "','" +RadioButtonList2.SelectedValue.ToString()+"','"+ RadioButtonList3.SelectedValue.ToString()+"')", conn);
                cmd.ExecuteNonQuery();//出现问题 请大神指教
                conn.Close();
                MessageBox.Show("添加成功");
                btnConcel_Click(sender, e);
            }
        }
    }
    protected void btnConcel_Click(object sender, EventArgs e)
    {
        txtName.Text = "";
        txtNum.Text = "";
        txtPwd.Text = "";
        TextBox1.Text = "";
        TextBox2.Text = "";
    }
}