child combo box values should change as per selection parent combo box

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In my form there are 2 combo box 1.State 2.City
As per selection of state combo box value, values in city combo box should change.

Is any one know logic behind this?

Posted 11-Dec-12 21:47pm

Yogi ,Pune

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Fathima, Coimbatore · Answer 1 · 2012-12-11T21:50:00

Solution 1

Hi Yogi,

On the text change event of parent combo box, populate the values of child combo box based on the selected value of parent combo.

Posted 11-Dec-12 21:50pm

Fathima, Coimbatore

Yogi ,Pune · Answer 2 · 2012-12-25T05:50:00

Solution 2

how to populate values of child combo box.

can you give me more hints or give me code for the same.

Thanks in advance.

Posted 25-Dec-12 5:50am

Yogi ,Pune

m.kashif.ashraf · Answer 3 · 2013-02-07T01:45:00

Solution 3

On

C#

SelectedIndexChanged

event of parent combo box pass the selected value to a method that calculates the expected value for the child combo box and then make a list for that values and assign that list to the child combo box's

C#

DataSource

property.

Posted 7-Feb-13 1:45am

m.kashif.ashraf