c# - 对象类型不存在映射

    private void button5_Click(object sender, EventArgs e)
    {


        DataGridViewRow updatedrow = dataGridView1.Rows[chooseAnyRow];

        updatedrow.Cells[0].Value = SALUTATION.Text;
        updatedrow.Cells[1].Value = NAME.Text;
        updatedrow.Cells[2].Value = SEX.Text;
        updatedrow.Cells[3].Value = ETHNICITY.Text;
        updatedrow.Cells[4].Value = MARITALSTATUS.Text;
        updatedrow.Cells[5].Value = ICNUMBER.Text;
        updatedrow.Cells[6].Value = HPNUMBER.Text;
        updatedrow.Cells[7].Value = DOB.Text;
        updatedrow.Cells[8].Value = ADDRESS.Text;
        updatedrow.Cells[9].Value = STATE.Text;
        updatedrow.Cells[10].Value = CITY.Text;
        updatedrow.Cells[11].Value = POSTCODE.Text;
        updatedrow.Cells[12].Value = pictureBox1.Image;




        con = new SqlConnection(@"Data Source=dasranrajlui\sqlexpress;Initial Catalog=SESoriginal;Integrated Security=True");
        con.Open();
        com = con.CreateCommand();
        com.CommandType = CommandType.Text;
        com.CommandText = " update VoterRegistration set SALUTATION = '" + SALUTATION.Text +
                           "', NAME = '" + NAME.Text +
                           "', SEX = '" + SEX.Text +
                           "', ETHNICITY = '" + ETHNICITY.Text +
                           "', MARITALSTATUS = '" + MARITALSTATUS.Text +
                           "', IC_NUMBER = " + ICNUMBER.Text +
                           ",  HP_NUMBER = " + HPNUMBER.Text +
                           ",  DOB = '" + DOB.Text +
                           "', ADDRESS = '" + ADDRESS.Text +
                           "', STATE = '" + STATE.Text +
                           "', CITY = '" + CITY.Text +
                           "', POSTCODE = '" + POSTCODE.Text +
                           "', VOTER_PIC = @VOTER_PIC where IC_NUMBER = " + ICNUMBER.Text;


        com.CommandType = CommandType.Text;
        com.Parameters.AddWithValue("@VOTER_PIC", pictureBox1.Image);
        com.Parameters.AddWithValue("@Salutation", SALUTATION.Text);
        com.Parameters.AddWithValue("@Name", NAME.Text);
        com.Parameters.AddWithValue("@Sex", SEX.Text);
        com.Parameters.AddWithValue("@Ethnicity", ETHNICITY.Text);
        com.Parameters.AddWithValue("@MaritalStatus", MARITALSTATUS.Text);
        com.Parameters.AddWithValue("@ICNumber", ICNUMBER.Text);
        com.Parameters.AddWithValue("@HPNumber", HPNUMBER.Text);
        com.Parameters.AddWithValue("@Dob", DOB.Text);
        com.Parameters.AddWithValue("@Address", ADDRESS.Text);
        com.Parameters.AddWithValue("@State", STATE.Text);
        com.Parameters.AddWithValue("@City", CITY.Text);
        com.Parameters.AddWithValue("@PostCode", POSTCODE.Text);

        if (pictureBox1.Image != null)
        {

            ms = new MemoryStream();
            pictureBox1.Image.Save(ms, ImageFormat.Jpeg);
            byte[] photo_aray = new byte[ms.Length];
            ms.Position = 0;
            ms.Read(photo_aray, 0, photo_aray.Length);
            com.Parameters.AddWithValue("@VOTER_PIC", photo_aray);
        }

        try
        {
            com.ExecuteNonQuery();
            MessageBox.Show("updated...");

            SALUTATION.Text = null;
            NAME.Text = null;
            SEX.Text = null;
            ETHNICITY.Text = null;
            MARITALSTATUS.Text = null;
            ICNUMBER.Text = null;
            HPNUMBER.Text = null;
            DOB.Text = null;
            ADDRESS.Text = null;
            STATE.Text = null;
            CITY.Text = null;
            POSTCODE.Text = null;

        }

        catch (Exception EX)
        {
            MessageBox.Show(EX + "NOT Updated");
        }

        finally
        {
            con.Close();
        }

}

错误显示：


  对象类型不存在映射


是因为我的转换图像不正确吗？
还是有另一种方法可以将映像更新到我的sql？
关键是我需要更新图像中显示和更新的值，然后将其保存到数据库中。

最佳答案

我建议您删除,之前的where并在ICNUMBER.text周围添加引号

  "', POSTCODE = '" + POSTCODE.Text + "' where IC_NUMBER = '" + ICNUMBER.Text  +"'";