[英]Filter data in crystal report using datetimepicker
I'm working on a report in Crystal Reports C# windows application.i fetch the data from localhost server to crystal report. 我正在使用Crystal Reports C#Windows应用程序中的报表进行工作。我从本地服务器获取数据到Crystal报表。 I have 2 datetimepicker in my form. 我的表格中有2个datetimepicker。
datetimepicker1 = dtpfrom datetimepicker1 = dtpfrom
datetimepicker2 - dtpto datetimepicker2-dtpto
Crystalreport Crystalreport
Now I want that, when selecting some date in from and the to datetimepicker the between data is show in the crystal report please help me to solve i don't know how to start. 现在,我想要的是,当在from和to datetimepicker中选择某个日期时,水晶报表中将显示之间的数据,请帮助我解决我不知道如何开始的问题。 i'm searching through googling i didn't get any thing about between data in datetimepicker show in crystal report. 我正在搜索谷歌搜索,我在水晶报表的datetimepicker显示中的数据之间没有任何了解。 Any ideas? 有任何想法吗?
Here my try: 这是我的尝试:
MySqlConnection conn = new MySqlConnection(MyCon);
CrystalReport1 objcr = new CrystalReport1();
MySqlDataAdapter da = new MySqlDataAdapter("select * from data where date>='" + DateTime.Parse(dtpfrom.Text) + "' and date<='" + DateTime.Parse(dtpto.Text) + "' ", conn);
DataTable dt = new DataTable();
da.Fill(dt);
objcr.SetDataSource(dt);
crystalReportViewer1.ReportSource = objcr;
crystalReportViewer1.RefreshReport();
But i'm getting an error 但是我遇到一个错误
An unhandled exception of type 'CrystalDecisions.CrystalReports.Engine.DataSourceException' occurred in CrystalDecisions.ReportAppServer.DataSetConversion.dll CrystalDecisions.ReportAppServer.DataSetConversion.dll中发生了类型为'CrystalDecisions.CrystalReports.Engine.DataSourceException'的未处理异常
Additional information: Failed to load database information. 附加信息:无法加载数据库信息。
On line: 在线:
objcr.SetDataSource(dt);
@divi @divi
filter data in report using datetimepicker is not done for your coding 您的编码未使用datetimepicker筛选报表中的数据
Do the following: 请执行下列操作:
create a new parameter fromdate, todate in Field Explorer -> Parameter Field(Right Click)-> New 在字段资源管理器->参数字段(右键单击)->新建中创建一个从日期到日期的新参数
like this make todate also 像这样使迄今为止
then right click the report. 然后右键单击该报告。
Select Report -> Selection Formula -> Record... 选择报告->选择公式->记录...
Do following 跟随
then click save and close button in that form. 然后点击该表单中的保存并关闭按钮。
Know this: 知道这个:
Right Click the report -> Database -> Set Datasource Location... 右键单击报告->数据库->设置数据源位置...
Now Code 现在代码
ReportDocument report = new ReportDocument();
report.Load("C:\\Users\\Desktop\\CrystalReport1.rpt");
TableLogOnInfo Table = new TableLogOnInfo();
ConnectionInfo Connection = new ConnectionInfo();
Tables Tables;
ParameterFieldDefinitions Parameters;
ParameterFieldDefinition Parameter;
ParameterValues Values = new ParameterValues();
ParameterDiscreteValue DiscreteValue = new ParameterDiscreteValue();
DiscreteValue.Value = dateTimePicker1.Text;
Parameters = report.DataDefinition.ParameterFields;
Parameter = Parameters["fromdate"];
Values = Parameter.CurrentValues;
Values.Clear();
Values.Add(DiscreteValue);
Parameter.ApplyCurrentValues(Values);
DiscreteValue.Value = dateTimePicker2.Text;
Parameters = report.DataDefinition.ParameterFields;
Parameter = Parameters["todate"];
Values = Parameter.CurrentValues;
Values.Add(DiscreteValue);
Parameter.ApplyCurrentValues(Values);
Connection.ServerName = "Your servername in Set Datasource Location";
Connection.DatabaseName = "Your databasename in Set Datasource Location";
Connection.UserID = "your username";
Connection.Password = "your password";
Tables = report.Database.Tables;
foreach (CrystalDecisions.CrystalReports.Engine.Table table in Tables)
{
Table = table.LogOnInfo;
Table.ConnectionInfo = Connection;
table.ApplyLogOnInfo(Table);
}
crystalReportViewer1.ReportSource = report;
crystalReportViewer1.Refresh();
Hope This helps to solve your problem. 希望这有助于解决您的问题。
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