Regarding custom field.

[Bhushan_Patil]

I want to link custom field such that if if I select one option from dropdown then its related value should get reflect in textbox.

[Mohamed_Benziane]

Hello @Bhushan_Patil 

Corrected me if im wrong, you want to show the option that you selected in the select list option customfield (A) in a textbox customfield (B) ? If yes, you will need a plugin to achieve this like scriptrunner.

Hope this helps.

[Bhushan_Patil]

No Buddy... I will give u example... suppose I select database change from select list then its value 1 will automatically will get display in textbox. 

all selection list and its values will be predefined. 

Please help me out on this.