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我正在嘗試向數據庫添加新值，但executenonquery無法正常工作。我已經測試並意識到，在執行非查詢之後，系統停止工作。總之，它不會起火。沒有錯誤返回。這裏是代碼：執行非查詢不起作用
else
{
double amounts = Convert.ToDouble(InstallmentPaidBox.Text);
string date = period.Text;
SqlCommand a = new SqlCommand("Select top 1* from Minimum_Amount order by Period desc", con);
con.Open();
SqlDataReader sq = a.ExecuteReader();
while (sq.Read())
{
string date2 = sq["Period"].ToString();
double amount = Convert.ToDouble(sq["Amount"]);
double areas = amount - (Convert.ToDouble(InstallmentPaidBox.Text) + Convert.ToDouble(BalanceBroughtTextBox.Text));
double forwarded = Convert.ToDouble(BalanceBroughtTextBox.Text) + Convert.ToDouble(InstallmentPaidBox.Text);
double balance = areas;
SqlCommand cmd = new SqlCommand("insert into Cash_Position(Member_No,Welfare_Amount, BFWD,Amount,Installment_Paid,Loan_Repayment,Principal_Paid,Loan_Balance,Interest_Paid,Interest_Due,Penalty_Paid,Penalty_Due,Installment_Arrears,CFWD,Balance_Due,Period,Date_Prepared,Prepared_By) values(@a,@b,@c,@d,@e,@f,@g,@h,@i,@j,@k,@l,@m,@n,@o,@x,@p,@q)", con);
cmd.Parameters.Add("@a", SqlDbType.NChar).Value = MemberNumberTextBox.Text;
cmd.Parameters.Add("@b", SqlDbType.Money).Value = WelfareAmount.Text;
cmd.Parameters.Add("@c", SqlDbType.Money).Value = BalanceBroughtTextBox.Text;
cmd.Parameters.Add("@d", SqlDbType.Money).Value = amounts;
cmd.Parameters.Add("@e", SqlDbType.Money).Value = InstallmentPaidBox.Text;
cmd.Parameters.Add("@f", SqlDbType.Money).Value = 0;
cmd.Parameters.Add("@g", SqlDbType.Money).Value = PrincipalPaid.Text;
cmd.Parameters.Add("@h", SqlDbType.Money).Value = 0;
cmd.Parameters.Add("@i", SqlDbType.Money).Value = InterestPaid.Text;
cmd.Parameters.Add("@j", SqlDbType.Money).Value = 0;
cmd.Parameters.Add("@k", SqlDbType.Money).Value = PenaltyPaid.Text;
cmd.Parameters.Add("@l", SqlDbType.Money).Value = 0;
cmd.Parameters.Add("@m", SqlDbType.Money).Value = areas;
cmd.Parameters.Add("@n", SqlDbType.Money).Value = forwarded;
cmd.Parameters.Add("@o", SqlDbType.Money).Value = balance;
cmd.Parameters.Add("@x", SqlDbType.NChar).Value = period.Text;
cmd.Parameters.Add("@p", SqlDbType.Date).Value = dateOf.Text;
cmd.Parameters.Add("@q", SqlDbType.VarChar).Value = prepared.Text;
int rows = cmd.ExecuteNonQuery();
if (rows > 0)
{
string script = "<script>alert('Data Successfully Added')</script>";
Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "Added", script);
}
else
{
string script = "<script>alert('Error Adding Data')</script>";
Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "Error", script);
}
}
con.Close();
}
你是從後臺線程做到這一點？如果是這樣，它可能會拋出一個被吞噬的異常（因爲它在後臺線程中）。 –
您正在中斷連接。 – JSJ
那麼，我如何確保連接不中斷 –