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Hi Tung,
Having such large amount of items generated for each dropdown editor in grid row can introduce significant performance penalty indeed (since huge amount of html is parsed and rendered for each edited grid row).
That is why I suggest you wrap RadComboBox instance inside a template column of RadGrid and generate the items for the combobox on demand as demonstrated in the sample projects from this knowledge base article.
Best regards,
Stephen
the Telerik team
Check out Telerik Trainer, the state of the art learning tool for Telerik products.
Having such large amount of items generated for each dropdown editor in grid row can introduce significant performance penalty indeed (since huge amount of html is parsed and rendered for each edited grid row).
That is why I suggest you wrap RadComboBox instance inside a template column of RadGrid and generate the items for the combobox on demand as demonstrated in the sample projects from this knowledge base article.
Best regards,
Stephen
the Telerik team
Check out Telerik Trainer, the state of the art learning tool for Telerik products.