[英]How to display crystal report by date parameters selected from Win Forms in C#
記錄報告
private void button1_Click(object sender, EventArgs e)
{
TR = Application.OpenForms.OfType<Records>().ElementAt(0);
try
{
ds = new DataSet2();
dt = new System.Data.DataTable();
dt = ConvertDGVtoDataTable(TR.recordsTableDataGridView);
ds.Tables.Add(dt);
ds.WriteXmlSchema("RecordsReport.xml");
try
{
ParameterFieldDefinitions crParameterFieldDefinitions;
ParameterFieldDefinition crParameterFieldDefinition;
ParameterValues crParameterValues = new ParameterValues();
ParameterDiscreteValue crParameterDiscreteValue = new ParameterDiscreteValue();
crParameterDiscreteValue.Value = dateTimePicker1.Value;
crParameterFieldDefinitions = treport1.DataDefinition.ParameterFields;
crParameterFieldDefinition = crParameterFieldDefinitions["fromDate"];
crParameterValues = crParameterFieldDefinition.CurrentValues;
crParameterValues.Clear();
crParameterValues.Add(crParameterDiscreteValue);
crParameterFieldDefinition.ApplyCurrentValues(crParameterValues);
crParameterDiscreteValue.Value = dateTimePicker2.Value;
crParameterFieldDefinitions = treport1.DataDefinition.ParameterFields;
crParameterFieldDefinition = crParameterFieldDefinitions["toDate"];
crParameterValues = crParameterFieldDefinition.CurrentValues;
crParameterValues.Add(crParameterDiscreteValue);
crParameterFieldDefinition.ApplyCurrentValues(crParameterValues);
// Report Form.
TReportDisplay TRD = new TReportDisplay();
Treport treport1 = new Treport();
TRD.crystalReportViewer2.ReportSource = treport1;
treport1.SetDataSource(ds);
TRD.Show();
TRD.crystalReportViewer2.Refresh();
}
catch (Exception ex) { MessageBox.Show(ex.Message.ToString()); };
}
catch (Exception ex) { MessageBox.Show(ex.Message.ToString()); }
}
我的報表有兩個參數, fromDate和toDate ,都定義為Date Time ,謹慎值。
我的選擇記錄公式如下:
如果刪除此公式,則報告將顯示所有內容,但是如果輸入此公式,則報告將顯示為空白。
解決:我的情況下,我不會使用數據庫值,因為“ Arthi在這里出現” 使用datetimepicker篩選水晶報表中的數據
代替dateTimePicker1.Value,請嘗試以下操作:
crParameterDiscreteValue.Value = dateTimePicker1.Text;
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