sql - C# Reporting via query -

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hi have code here 

sqlconnection con = new sqlconnection(properties.settings.default.storedbconnection);     sqldataadapter da = new sqldataadapter();     private void form1_load(object sender, eventargs e)     {         string test = datetime.now.tostring("yyyy-mm-dd");         var dept = properties.settings.default.giftdepartment;         messagebox.show(""+test+"");         sqlcommand cmd = new sqlcommand("select deptno,deptsales,deptcustomers storesalesdetail deptno="+dept+" , procdate>="+test+"", con);         sqldataadapter da = new sqldataadapter(cmd);         dataset1 ds = new dataset1();         da.fill(ds);         reportviewer1.localreport.datasources.clear();         reportviewer1.localreport.datasources.add(new microsoft.reporting.winforms.reportdatasource("dataset1", ds.tables[1]));         this.reportviewer1.refreshreport();      }

sample data in table

2013-05-03 00:00:00.000,2,120.0000,1,1 2013-05-04 00:00:00.000,2,50.0000,1,1

test returns date 2013-05-04 why report return both date in >= query?

try using datediff more precision. wrap input value [test] in single quotes.

sqlcommand cmd = new sqlcommand("select deptno,deptsales,deptcustomers storesalesdetail deptno="+dept+" , datediff(d, '" + test + "', procdate) >=0", con);

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