C#点击查询后,水晶报表不刷新.急....

[alertor]

private void btnSearch_Click(object sender, EventArgs e)
{

dataset.B_matter_qxSelect.Clear();
adapter.Fill(dataset.B_matter_qxSelect, this.dateTimePicker1.Value.Year.ToString() + this.dateTimePicker1.Value.Month.ToString("#0") + this.dateTimePicker1.Value.Day.ToString("#0"), this.dateTimePicker2.Value.Year.ToString() + this.dateTimePicker2.Value.Month.ToString("#0") + this.dateTimePicker2.Value.Day.ToString("#0"),this.cmbdepartment.Text);
qxday1.Parameter_ts_timeStart.CurrentValues.AddValue(this.dateTimePicker1.Value.Year.ToString() + this.dateTimePicker1.Value.Month.ToString("#0") + this.dateTimePicker1.Value.Day.ToString("#0"));
qxday1.Parameter_ts_timeEnd.CurrentValues.AddValue(this.dateTimePicker2.Value.Year.ToString() + this.dateTimePicker2.Value.Month.ToString("#0") + this.dateTimePicker2.Value.Day.ToString("#0"));
qxday1.Parameter_add_classname.CurrentValues.AddValue(this.cmbdepartment.Text);
qxday1.SetDataSource(dataset);
qxday1.SetParameterValue("ts_timeStart", this.dateTimePicker1.Value.Year.ToString() + this.dateTimePicker1.Value.Month.ToString("#0") + this.dateTimePicker1.Value.Day.ToString("#0"));
qxday1.SetParameterValue("ts_timeEnd", this.dateTimePicker2.Value.Year.ToString() + this.dateTimePicker2.Value.Month.ToString("#0") + this.dateTimePicker2.Value.Day.ToString("#0"));
qxday1.SetParameterValue("add_classname", this.cmbdepartment.Text);

}


在WINFORM中单击事件后，本页面中的水晶报表不刷新，请帮忙解决一下，谢谢

[阿泰]

你只操作了reportdocument对象，操作完了还要把对象重新发给浏览控件才行
最后还要加上这句。
crystalreportview1.reportsource=qxday1;