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c# - 进度条不断循环

问题描述

我有一个崩溃的进度条我正在使用一个 coutner 根据 value++ 方法增加它的值但是在更改代码之后进度条只是循环并且不会按预期将结果显示到网格中。

invoiceRecord = (SageDataObject240.InvoiceRecord)_workSpace.CreateObject(Resources.InvoiceRecord);


pnlProgress.Visible = true;
progBarSelectInvoices.Value = 0;
progBarSelectInvoices.Maximum = invoiceRecord.Count;

List<EdiInvoice> selectedInvoices = new List<EdiInvoice>();
EdiInvoice invoice;

DateTime fromDate = chkEnableFromDatePicker.Checked ? dtpFrom.Value.Date : DateTime.MinValue;
DateTime toDate = chkEnableToDatePicker.Checked ? dtpTo.Value.Date : DateTime.MaxValue;
int count = 0;
while (invoiceRecord.MoveLast())
{
    progBarSelectInvoices.Value++;
    bool isPosted = (SDOHelper.Read<sbyte>(invoiceRecord, Resources.POSTED_CODE) == 1);

    if (isPosted)
    {
        int invoiceNo = SDOHelper.Read<int>(invoiceRecord, Resources.INVOICE_NUMBER);
        string invoiceCustomerReference = SDOHelper.Read<string>(invoiceRecord, Resources.ACCOUNT_REF);
        bool isValidCustomerReference = (invoiceCustomerReference == _selectedCustomer.Reference || _selectedCustomer.IncludeBranchInvoices && _selectedCustomer.BranchCodes.ContainsKey(invoiceCustomerReference));

        sbyte invoiceTypeCode = SDOHelper.Read<sbyte>(invoiceRecord, Resources.INVOICE_TYPE_CODE);
        bool isValidType = invoiceTypeCode >= 0 && invoiceTypeCode <= 5;

        string notes1 = SDOHelper.Read<string>(invoiceRecord, "NOTES_1");
        bool isExported = notes1.Length > 2 && notes1.Substring(0, 3).Equals("EDI", StringComparison.CurrentCultureIgnoreCase);

        DateTime invoiceDate = SDOHelper.Read<DateTime>(invoiceRecord, "INVOICE_DATE");
        bool isInDateRange = invoiceDate >= fromDate && invoiceDate <= toDate;

        if (isValidCustomerReference && isValidType && (!isExported || chkIncludeAlreadyExportedInvoices.Checked) && isInDateRange)
        {
            invoice = new EdiInvoice();
            invoice.Customer = string.Format("({0}), {1}", invoiceCustomerReference, SDOHelper.Read<string>(invoiceRecord, Resources.NAME));
            invoice.InvoiceNumber = invoiceNo;
            invoice.Date = SDOHelper.Read<DateTime>(invoiceRecord, "INVOICE_DATE").ToString("dd/MM/yyyy");
            invoice.Type = GetInvoiceOrCredit(invoiceTypeCode);
            invoice.DeliveryAddress = SDOHelper.Read<string>(invoiceRecord, Resources.DEL_ADDRESS_1);
            invoice.Nett = SDOHelper.Read<double>(invoiceRecord, Resources.BASE_TOT_NET) + SDOHelper.Read<double>(invoiceRecord, Resources.BASE_CARR_NET);
            invoice.Vat = SDOHelper.Read<double>(invoiceRecord, Resources.BASE_TOT_TAX) + SDOHelper.Read<double>(invoiceRecord, Resources.BASE_CARR_TAX);

            selectedInvoices.Add(invoice);
        }
    }






    Application.DoEvents();
}

我不明白为什么进度条在这里不断跳动。

标签： c#winforms

解决方案

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