update panel in asp.net

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i have update panel in master page which contains two dropdown list states and city and i have update panel in content page which contains datalist control...how can i bind datalist according to selected value in dropdown lists

Posted 31-Aug-13 8:39am

Abhishek Ginani

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Musakkhir · Answer 1 · 2013-08-31T08:57:00

Solution 1

you can find dropdownlist value from master page by using this method.

C#

string StateValue;
DropDownList masterState = (DropDownList)Master.FindControl("ddlState");
DropDownList masterCity = (DropDownList)Master.FindControl("ddlCity");
StateValue = masterState.SelectedValue;

Posted 31-Aug-13 8:57am

Musakkhir

Updated 31-Aug-13 8:58am

v2

Comments

Joezer BH 1-Sep-13 9:38am

5ed!

SaqibRasheed · Answer 2 · 2013-08-31T11:43:00

Solution 2

It is pretty simple. From the content page, you can search for the controls in the master page and if the control is found, you can do something like this:

C#

DropDownList stateInMaster = null;
if(Master.FindControl("ddlState") != null)
 stateInMaster = (DropDownList)Master.FindControl("ddlState");
staring selectedStateValue = stateInMaster.SelectedValue;

Posted 31-Aug-13 11:43am

SaqibRasheed

Updated 31-Aug-13 21:57pm

v3

Comments

Joezer BH 1-Sep-13 9:38am

5ed!