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我有一个CrystalReportViewer的形式,在上面有两个DateTimePickers的on按钮用于生成一个水晶报表与选定的日期范围,这是我的代码其工作,但我的问题是如何防止默认的“输入参数值”对话框显示,因为我只想使用我的datetimepickers。防止默认的“输入参数值”C#
private void button1_Click_1(object sender, EventArgs e)
{
ReportDocument RepDoc = new ReportDocument();
RepDoc.Load(@"C:****I Put the path of report here");
SqlConnection con = new SqlConnection(@"I Put the Data Source here");
SqlDataAdapter sda = new SqlDataAdapter("Select * from Items", con);
StockDBDataSet ds = new StockDBDataSet();
sda.Fill(ds, "Items");
RepDoc.SetDataSource(ds);
ParameterFieldDefinitions ParameterFieldDefinitions;
ParameterFieldDefinition ParameterFieldDefinition;
ParameterValues ParameterValues = new ParameterValues();
ParameterDiscreteValue ParameterDiscreteValue = new ParameterDiscreteValue();
ParameterDiscreteValue.Value = dateTimePicker1.Value;
ParameterFieldDefinitions = RepDoc.DataDefinition.ParameterFields;
ParameterFieldDefinition = ParameterFieldDefinitions["Start_Date"];
ParameterValues = ParameterFieldDefinition.CurrentValues;
ParameterValues.Clear();
ParameterValues.Add(ParameterDiscreteValue);
ParameterFieldDefinition.ApplyCurrentValues(ParameterValues);
ParameterDiscreteValue.Value = dateTimePicker2.Value;
ParameterFieldDefinitions = RepDoc.DataDefinition.ParameterFields;
ParameterFieldDefinition = ParameterFieldDefinitions["End_Date"];
ParameterValues = ParameterFieldDefinition.CurrentValues;
ParameterValues.Clear();
ParameterValues.Add(ParameterDiscreteValue);
ParameterFieldDefinition.ApplyCurrentValues(ParameterValues);
crystalReportViewer1.ReportSource = RepDoc;
}
我删除它,对话框仍然出现 –
检查此SO帖子http://stackoverflow.com/a/33185985/5104101。请注意'在添加SECOND参数“块中重置集合。为避免冲突,我建议不要将变量,类,控件命名为关键字名称,内置类名等。 – haraman