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[英]Conversion failed when converting date and/or time from character string error 4
[英]Error: Conversion failed when converting date and/or time from character string
我该如何解决这个错误?
从字符串转换日期和/或时间时转换失败
我的SQL代码:
SELECT
RTRIM(invoiceNo) as [Order No.],
RTRIM(InvoiceDate) as [Order Date],
RTRIM(SubTotal) as [SubTotal],
RTRIM(VATPer) as [Vat+ST %],
RTRIM(VATAmount) as [VAT+ST Amount],
RTRIM(DiscountPer) as [Discount %],
RTRIM(DiscountAmount) as [Discount Amount],
RTRIM(GrandTotal) as [Grand Total],
RTRIM(TotalPayment) as [Total Payment],
RTRIM(PaymentDue) as [Payment Due]
FROM
Invoice_Info
WHERE
InvoiceDate BETWEEN @d1 AND @d2
ORDER BY
InvoiceDate desc
我使用来自C#的SqlCommand
调用此命令,并添加以下参数:
cmd.Parameters.Add("@d1", SqlDbType.DateTime, 30, "InvoiceDate").Value = dtpInvoiceDateFrom.Value.Date;
cmd.Parameters.Add("@d2", SqlDbType.DateTime, 30, "InvoiceDate").Value = dtpInvoiceDateTo.Value.Date;
我认为您必须从值中删除“ .Date”,因为DateTimePicker.Value.Date仅返回字段的日期部分。
您也可以将参数更改为以下内容:
cmd.Parameters.Add("@d1", SqlDbType.DateTime).Value = dtpInvoiceDateFrom.Value;
cmd.Parameters.Add("@d2", SqlDbType.DateTime).Value = dtpInvoiceDateTo.Value;
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