Returning different values in a combobox

Posted by Jopito under ASP.NET on 11/7/2013 | Points: 10 | Views : 1712 | Status : [Member] | Replies : 7

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Hellow friends,i have two comboboxes in my form.One contains items Consumer and Biller,
The other combobox contains Individual,business, company.How can i customize it such that when one selects Biller from the first combobox then the second combobox items will show only business and Company but not the three Items.

Thank you

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Posted by: Allemahesh on: 11/7/2013 [Member] [MVP] Silver | Points: 25

0	You can see the below code for this:- <form id="form1" runat="server"> <div> <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="true" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged"> <asp:ListItem Text="-- Select --" Value="-- Select --"></asp:ListItem> <asp:ListItem Text="Consumer" Value="Consumer"></asp:ListItem> <asp:ListItem Text="Biller" Value="Biller"></asp:ListItem> </asp:DropDownList> <br /> <br /> <asp:DropDownList ID="DropDownList2" runat="server"> <asp:ListItem Text="-- Select --" Value="-- Select --"></asp:ListItem> <asp:ListItem Text="Individual" Value="Individual"></asp:ListItem> <asp:ListItem Text="Business" Value="Business"></asp:ListItem> <asp:ListItem Text="Company" Value="Company"></asp:ListItem> </asp:DropDownList> </div> </form> protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e) { if (DropDownList1.SelectedIndex > 0) { DropDownList2.Items.Clear(); if (DropDownList1.SelectedValue.ToString().ToLower() == "biller") { DropDownList2.Items.Add(new ListItem("Business", "Business")); DropDownList2.Items.Add(new ListItem("Company", "Company")); } else { DropDownList2.Items.Add(new ListItem("Individual", "Individual")); DropDownList2.Items.Add(new ListItem("Business", "Business")); DropDownList2.Items.Add(new ListItem("Company", "Company")); } DropDownList2.Items.Insert(0, new ListItem("-- Select --", "-- Select --")); } } I have tested this and working fine. Please let me know if you have other issue. Happy Coding, If it helps you or directs U towards the solution, MARK IT AS ANSWER Jopito, if this helps please login to Mark As Answer. \| Alert Moderator

You can see the below code for this:-

<form id="form1" runat="server">
<div>
    <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="true" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
        <asp:ListItem Text="-- Select --" Value="-- Select --"></asp:ListItem>
        <asp:ListItem Text="Consumer" Value="Consumer"></asp:ListItem>
        <asp:ListItem Text="Biller" Value="Biller"></asp:ListItem>
    </asp:DropDownList>
    <br />
    <br />
    <asp:DropDownList ID="DropDownList2" runat="server">
        <asp:ListItem Text="-- Select --" Value="-- Select --"></asp:ListItem>
        <asp:ListItem Text="Individual" Value="Individual"></asp:ListItem>
        <asp:ListItem Text="Business" Value="Business"></asp:ListItem>
        <asp:ListItem Text="Company" Value="Company"></asp:ListItem>
    </asp:DropDownList>
</div>
</form>

protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
    if (DropDownList1.SelectedIndex > 0)
    {
        DropDownList2.Items.Clear();
        if (DropDownList1.SelectedValue.ToString().ToLower() == "biller")
        {
            DropDownList2.Items.Add(new ListItem("Business", "Business"));
            DropDownList2.Items.Add(new ListItem("Company", "Company"));
        }
        else
        {
            DropDownList2.Items.Add(new ListItem("Individual", "Individual"));
            DropDownList2.Items.Add(new ListItem("Business", "Business"));
            DropDownList2.Items.Add(new ListItem("Company", "Company"));
        }
        DropDownList2.Items.Insert(0, new ListItem("-- Select --", "-- Select --"));
    }
}

I have tested this and working fine. Please let me know if you have other issue.

Happy Coding,
If it helps you or directs U towards the solution, MARK IT AS ANSWER

Jopito, if this helps please login to Mark As Answer. | Alert Moderator

Posted by: Bandi on: 11/7/2013 [Member] [MVP] Platinum | Points: 25

0	Refer http://stackoverflow.com/questions/3469287/populate-one-combobox-based-on-selection-of-another http://stackoverflow.com/questions/11225286/bind-combo-box-based-on-another-combo-boxs-selected-item-mvvm-wpf Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif Jopito, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Jopito on: 11/7/2013 [Member] Starter | Points: 25

0	Am getting this kind of errors Error 7 Argument 1: cannot convert from 'System.Web.UI.WebControls.ListItem' to 'Telerik.Web.UI.RadComboBoxItem' Mark as answer if satisfied Jopito, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Bandi on: 11/7/2013 [Member] [MVP] Platinum | Points: 25

0	Refer http://demos.telerik.com/aspnet-ajax/combobox/examples/functionality/multiplecomboboxes/defaultcs.aspx http://stackoverflow.com/questions/6261075/how-to-bind-the-radcombobox-at-runtime-in-asp-net Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif Jopito, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Jopito on: 11/7/2013 [Member] Starter | Points: 25

0	Am now getting this error 'Telerik.Web.UI.RadComboBoxItem' is a 'type', which is not valid in the given context, UserTypeRadcombobox.Items.Add(Telerik.Web.UI.RadComboBoxItem("Business", "Business")); UserTypeRadcombobox.Items.Add(Telerik.Web.UI.RadComboBoxItem("Company", "Company")); Mark as answer if satisfied Jopito, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Bandi on: 11/7/2013 [Member] [MVP] Platinum | Points: 25

0	Hi, The following link will give you an idea to add Items to RabComboBox http://demos.telerik.com/aspnet-ajax/combobox/examples/programming/addremovedisableitemsclientside/defaultcs.aspx Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif Jopito, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Bandi on: 11/7/2013 [Member] [MVP] Platinum | Points: 25

0	Here is the population of RadComboBox based on another RadComboBox http://demos.telerik.com/aspnet-ajax/combobox/examples/functionality/multiplecomboboxes/defaultcs.aspx Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif Jopito, if this helps please login to Mark As Answer. \| Alert Moderator

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