How to load values into dropdown depending on other dropdown value in Classic ASP?

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Hi

I am new to work on Classic ASP technology.

In my application I have a database table with 2 columns.

in the UI I have 2 drop downs.

Now I want to load the value to 2nd drop down depending on 1st dropdown value.

consider my table as below

column1 column2

1 -------- one

2 -------- two

3 -------- three

4 -------- four

Now If I select 1 in 1st dropdown one should be loaded to 2nd dropdown.

If I select 2 in 1st dropdown two should be loaded to 2nd dropdown.

How can I write code for this in Classic ASP? Pls help

thanks in advance.

Posted 4-Jul-12 2:14am

aravindhu

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ShariqueAli · Accepted Answer · 2012-07-04T03:03:00

C#

<body>
    <form id="form1" runat="server">
    <div>
        Select Country :<br />
        <asp:dropdownlist id="DropDownList1" runat="server" autopostback="True" onselectedindexchanged="DropDownList1_SelectedIndexChanged" xmlns:asp="#unknown">
            <asp:listitem>-Select-</asp:listitem>
            <asp:listitem value="1">India</asp:listitem>
            <asp:listitem value="2">Australia</asp:listitem>
        </asp:dropdownlist>
        <br />
        Select State:<br />
        <asp:dropdownlist id="DropDownList2" runat="server" xmlns:asp="#unknown">
        </asp:dropdownlist>
    </div>
    </form>
</body>
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        string[] statelistIndia = new string[] {"-Select-","Maharashtra","New Delhi" };
        string[] statelistAus = new string[] { "-Select-", "Victoria", "West Australia" };
        if (DropDownList1.SelectedValue=="1")
        {
            DropDownList2.DataSource = statelistIndia;
            DropDownList2.DataBind();
        }
        if (DropDownList1.SelectedValue == "2")
        {
            DropDownList2.DataSource = statelistAus;
            DropDownList2.DataBind();
        }

     
    }

Om Prakash Pant · Accepted Answer · 2012-07-04T03:05:00

You can do this by using javascript. here are the options and examples:

http://classicasp.aspfaq.com/forms/how-do-i-make-one-dropdown-depend-on-another.html[^]

populate the two dropdowns from the database and using javascript, filter the second dropdown.

Example of populating the database:
http://www.aspfaqs.com/aspfaqs/ShowFAQ.asp?FAQID=126[^]

How to load values into dropdown depending on other dropdown value in Classic ASP?

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