在C＃中作为单行和多行插入到两个表中

Question

I am trying to insert into two tables as one is main details of customer and another table is sub details of customer. Means 1st row will take parameters from controls and 2nd table will take from datagridview. Those two has to done in one method. I tried as

public void CstmrInsUp(string cstName, string cstSName, string AdLn1, string AdLn2, string AdCity, string AdPin, string SAdLn1, string SAdLn2, string SAdCity, string SAdPin, string TelPh1, string TelPh2, string FaxNo, string MailId, string TinNo,string cstDtlName,string cstDsgntn,string cstDtMobl,string cstDtEmail)
    {
       try
        {
            int cstId=1;
            int? grntdId=0;

            cstmrDC.Connection.Open();
            trns = cstmrDC.Connection.BeginTransaction();
            cstmrDC.Transaction = trns;

            cstmrDC.customers_iu(cstId, cstName, cstSName, AdLn1, AdLn2, null, AdCity, AdPin, SAdLn1, SAdLn2, null, SAdCity, SAdPin, TelPh1, TelPh2, FaxNo, MailId, null, TinNo, 1,ref grntdId);
            cstmrDC.customerscntcts_iu(null, cstId, cstDtlName, cstDsgntn, cstDtMobl, cstDtEmail, 1);
            trns.Commit();



        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message);
            if (trns != null)
                trns.Rollback();
        }

    }

Here customersdtls table should fire as in datagridview rows. Iam passing parameters as

 for (int i = 0; i < dgvCustInfo.Rows.Count - 1; i++)
        {
            cstnam = dgvCustInfo.Rows[i].Cells[0].Value.ToString();
            dsgntn = dgvCustInfo.Rows[i].Cells[1].Value.ToString();
            mblNo = dgvCustInfo.Rows[i].Cells[3].Value.ToString();
            eMail = dgvCustInfo.Rows[i].Cells[4].Value.ToString();
            //cst.InsrtDgv(cstnam, dsgntn, extNo, mblNo, eMail);
            //write a log event with the user information , system information, and activity
        }

cstCls.CstmrInsUp(txtCustmr.Text, txtShrtNam.Text, txtLn1.Text, txtLn2.Text, txtCity.Text,pin.ToString(),txtSpLn1.Text,txtSpLn2.Text,txtSpCty.Text,pin.ToString(), Phn1.ToString(), Phn2.ToString(), fax.ToString(),txtEmail.Text,txtTinNo.Text,cstnam,dsgntn,mblNo,eMail);

By doing this. First one record is only saving. How can i implement to insert all rows from datagridview and controls. Thank you

Answer 1

In your Method CstmrInsUp variable cstId is always 1 . I think this is the primary key value, so it is inserting the first record with value 1 . Then after that it cannot insert another row with same custid . So it is throwing an error and the transaction is rolled back.