i need the user to select combobox before he can save or do any other operations.

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I have a combobox in my content page.

I want to use validation for combobox & send its result as boolean to my master page because I have a method on master page which returns type as bool.

I need the user to select combobox before he can save or do any other operations.

I searched the net but didn't get good examples.

Posted 25-Mar-11 2:12am

durgeshtupkar10

Updated 25-Mar-11 3:55am

Dalek Dave

v2

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Dalek Dave 25-Mar-11 9:55am

Edited for Grammar, Syntax and Readability.

2 solutions

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Pavel Yermalovich · Answer 1 · 2011-03-25T02:20:00

Solution 1

Use RequiredFieldValidator if it's possible. In other cases you can configure and use CustomValidator which is more flexible cause you write your validation logic yourself.

Posted 25-Mar-11 2:20am

Pavel Yermalovich

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Dalek Dave 25-Mar-11 9:55am

Good Call

Mahendra.p25 · Answer 2 · 2011-03-25T02:29:00

Solution 2

try this

XML

<asp:RequiredFieldValidator ID="rfv_Users" ControlToValidate="ddl_UserList" runat="server" ErrorMessage="Country"
                                    SetFocusOnError="true" InitialValue="Select" Display="dynamic">*</asp:RequiredFieldValidator>

give your dropdown 0 index value as select

dropdown.items.insert(0,"Select");

Posted 25-Mar-11 2:29am

Mahendra.p25

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Dalek Dave 25-Mar-11 9:56am

Good Answer.