retrieving data from a button click in crystal report

Fill the Dataset which is the datasource of the crystal report with one record.
1.Make a DataSet with your Fields
Right Click on solution -> Add New Item -> DataSet(name-: dsMemberDetail)
2.Add columns to DataSet
3.Make dsMemberDetail as Source of Report
4.design the report
//-------------------------------------------------------------
//in the cs file (in the click event of button)
dsMemberDetail ds=new dsMemberDetail();
SqlDataAdapter da=new SqlDataAdapter("Select Member_No,Member_Name,Member_age,_Member_position from where Member_No=111,con);
//or what ever criteria you want
da.fill(ds);
//make a report object
//for eg report name is rptDetail.
rptDetail rd=new rptDetail();
rd.setDataSource(ds);
crystalReportViewer1.ReportSource=rd;