IT Answers » Dependant ComboBox http://itknowledgeexchange.techtarget.com/itanswers Fri, 24 May 2013 16:44:30 +0000 en-US hourly 1 Two dropdownlist select one change data of another list. !hELP ME OUT http://itknowledgeexchange.techtarget.com/itanswers/two-dropdownlist-select-one-change-data-of-another-list-help-me-out/ http://itknowledgeexchange.techtarget.com/itanswers/two-dropdownlist-select-one-change-data-of-another-list-help-me-out/#comments Sun, 28 Jun 2009 08:49:39 +0000 Shahzeb Two dropdownlist (drpcountry & drp city). i just want if i select pakistan in drpcountry other dropdownlist which is drpcity should display cities of that country it works for 1st country pk but if i select other the cities drp list dont update and show same old cities. i have true autopostback in both dropdownlist and code is below
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack==false)
{
drpcountry.Items.Add(“Pakistan”);
drpcountry.Items.Add(“Iran”);
drpcountry.Items.Add(“Dubai”);
drpcity.Items.Add(“Islamabad”);
drpcity.Items.Add(“Karachi”);
drpcity.Items.Add(“Lahore”);
}

}

protected void drpcountry_change(object sender, EventArgs e)
{
drpcity.Items.Clear();
if (drpcountry.SelectedItem.Value == “Pakistan”)
{
drpcity.Items.Add(“Islamabad”);
drpcity.Items.Add(“Karachi”);
drpcity.Items.Add(“Lahore”);
}

else if (drpcountry.SelectedItem.Value == “Iran”)
{
drpcity.Items.Add(“Tehran”);
drpcity.Items.Add(“Muskat”);
drpcity.Items.Add(“Damishq”);
}

else
{
drpcity.Items.Add(“Doha”);
drpcity.Items.Add(“zaibi”);
drpcity.Items.Add(“inshalla go there”);
}

}

}

]]> http://itknowledgeexchange.techtarget.com/itanswers/two-dropdownlist-select-one-change-data-of-another-list-help-me-out/feed/ 0 Several multi-criteria dependant drop down lists http://itknowledgeexchange.techtarget.com/itanswers/several-multi-criteria-dependant-drop-down-lists/ http://itknowledgeexchange.techtarget.com/itanswers/several-multi-criteria-dependant-drop-down-lists/#comments Tue, 30 Sep 2008 05:08:18 +0000 BenBritton I am designing a database for product which will have seven different combo boxes. with each selection in each combo box needing to limit what is available in the others. Can some body please help?

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