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erro update listview


dianaemanuel
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Boas tardes,

Quando carrego no botão de update de uma linha num listview está a dar-me o seguinte erro: "Additional information: Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request.".

Consigo colocar a listview no modo de editar, inserir linhas e apagar mas o update não estou a conseguir.

A listview está dentro de um user Controle é toda construída em runtime, ou seja, não tenho design no user control.

Podem-me ajudar a solucionar este problema?

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