How to reset Cascading DropDownList for Ajax Control Toolkit to its default prompt text (server side)?
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22-09-2019 - |
문제
How to reset Cascading DropDownList for Ajax Control Toolkit to its default prompt text (server side)?
해결책
You can reset dropdownlist to its default prompt text using PromptValue
property.
ddl.SelectedValue = ddl.PromptValue;
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