C# 带有数据集的水晶报表显示报表为空
您好，我正在使用Crystal Report with dataset，但当我运行报告时，它会显示空白记录，这是我的代码C# 带有数据集的水晶报表显示报表为空,c#,crystal-reports,C#,Crystal Reports,您好，我正在使用Crystal Report with dataset，但当我运行报告时，它会显示空白记录，这是我的代码 private void UpdateReport() { try { DateTime StDate = dtpFrom.Value; DateTime EdDate = dtpTo.Value; DataSet reportData = new Data
private void UpdateReport()
{
try
{
DateTime StDate = dtpFrom.Value;
DateTime EdDate = dtpTo.Value;
DataSet reportData = new DataSet();
SqlConnection conn = new SqlConnection(DBConnect.CaptureManagerConnectionSting);
conn.Open();
SqlDataAdapter da = new SqlDataAdapter();
SqlCommand cmd = new SqlCommand("SP_GetBountyModelGrouping", conn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("@Region", SqlDbType.NVarChar).Value = cboRegion.Text;
cmd.Parameters.Add("@Country", SqlDbType.NVarChar).Value = cboCountry.Text;
cmd.Parameters.Add("@StDate", SqlDbType.NVarChar).Value = StDate.ToShortDateString();
cmd.Parameters.Add("@EdDate", SqlDbType.NVarChar).Value = EdDate.ToShortDateString();
da.SelectCommand = cmd;
da.Fill(reportData, "DataTableBountyModelGrouping");
conn.Close();
crptBountyModelGrouping rptDoc = new crptBountyModelGrouping();
rptDoc.SetDataSource(reportData.Tables[0]);
crystalReportViewer1.ReportSource = rptDoc;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}