asp.net - how to display result in gridview according to textbox only if textbox2 value is greater than textbox1? -

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how display result in gridview according textbox if textbox2 date value greater textbox1 ?

i have 2 textboxes , gridview ... if type in textbox1 : 2-jan-2011 , in textbox2 : 1-jan-2011 in label1 eroor message display else ..if textbox2 value greater textbox1 value gridview display records according textbox1 , textbox2 database ...

how ,,, ?

function retrieve date parameters , either show error message or call binding function:

private void loaddata() {   try {     datetime date1 = convert.todatetime(textbox1.text);     datetime date2 = convert.todatetime(textbox2.text);     if (date1 >= date2) {       label1.text = "invalid dates";     } else {       binddataingridview(date1, date2);     }   } catch (exception ex) {     // log , report exception   }  }

function bind data:

private void binddataingridview(datetime date1, datetime date2) {   // logic retrieve data based on date parameters , bind gridview }

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