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我有一个表tbl_invoice。我想在此表中显示数据的水晶报告。对于每张发票,我都有invoiceid(主键)和帐单号。每个发票的主键都会更改,但billno保持不变。我得到了最大invoiceid的billno并将它传递给水晶报告。但它只显示了水晶报告中的最后一条记录。如何显示与帐单相符的所有记录? 我写了这个代码水晶报告:如何获取多个参数传递给水晶报告
private void button1_Click(object sender, EventArgs e)
{
SalesInvoice_Caret crt = new SalesInvoice_Caret();
crt.SetParameterValue("BillNo", txtBillNo.Text);
crystalReportViewer1.ReportSource = crt;
crystalReportViewer1.Refresh();
}
private void crt_sales_invoice_viewer_Load(object sender, EventArgs e)
{
string getBill = "Select top 1 BillNo from tbl_sales_invoice order by SalesInvoiceId desc";
SqlCommand cmd = new SqlCommand(getBill, con);
con.Open();
object obj = cmd.ExecuteScalar();
con.Close();
MessageBox.Show(obj.ToString());
txtBillNo.Text = obj.ToString();
}