Remove duplicate value from dropdownlist
-
There is dropdownlist on my page which showes country name. on click of country name popup will get display which showes companyname of selected country , and same dropdown will again get display. In Popup dropdownlist ,it will display selectedItem value (CountryName)as which we have selected from main page. for tht i have return code as follwes drdCountry.DataTextField = "CountryName"; drdCountry.DataValueField = "CompanyCount"; drdCountry.DataSource = dsCoverageList.Tables[0].DefaultView; drdCountry.DataBind(); drdCountry.SelectedItem.Text = Request.QueryString["CountryName"].ToString(); drdCountry.SelectedItem.Value = Request.QueryString["CompCount"].ToString(); but prob is on popup page in dropdownlist is showes duplicate value of selected item means suppose i have selected US (CountryName) from main drplist thn in popup page is showes US 2 times in DrpList. why is it so??.. :( please help me out..
-
There is dropdownlist on my page which showes country name. on click of country name popup will get display which showes companyname of selected country , and same dropdown will again get display. In Popup dropdownlist ,it will display selectedItem value (CountryName)as which we have selected from main page. for tht i have return code as follwes drdCountry.DataTextField = "CountryName"; drdCountry.DataValueField = "CompanyCount"; drdCountry.DataSource = dsCoverageList.Tables[0].DefaultView; drdCountry.DataBind(); drdCountry.SelectedItem.Text = Request.QueryString["CountryName"].ToString(); drdCountry.SelectedItem.Value = Request.QueryString["CompCount"].ToString(); but prob is on popup page in dropdownlist is showes duplicate value of selected item means suppose i have selected US (CountryName) from main drplist thn in popup page is showes US 2 times in DrpList. why is it so??.. :( please help me out..
use page.ispostback check on page load or clear dropdown list before filling it...
Government Dyal Singh College Lahore.
-
use page.ispostback check on page load or clear dropdown list before filling it...
Government Dyal Singh College Lahore.