troubleshooting Question

how to avoid adding duplicate items in listbox "C# windows forms"

Avatar of kranthi4uonly
kranthi4uonly asked on
.NET ProgrammingC#Editors IDEs
4 Comments1 Solution7385 ViewsLast Modified:
i got a textbox and list box if  i type some  text in text box and click insert button it should add to list box but it should avoid ading duplicate items and it should also avoid adding  blank space into list box
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