<GridColumn Field=@nameof(Nationalities.Flag) HeaderText="Bandera">
<Template>
@{
var nation = context as Nationalities;
string imgSrc = String.Format("data:image/png;base64,{0}", Convert.ToBase64String(nation.Flag, 0, nation.Flag.Length));
}
<div>
<img src="@imgSrc" class="rounded mx-auto img-fluid" alt="Flag" />
</div>
</Template>
<EditTemplate>
@{
<p>Bandera</p>
var nation = context as Nationalities;
string imgSrc = null;
if (nation.Flag != null)
{
imgSrc = String.Format("data:image/png;base64,{0}", Convert.ToBase64String(nation.Flag, 0, nation.Flag.Length));
<div>
<img src="@imgSrc" class="rounded mx-auto img-fluid" alt="Flag" />
</div>
}
<SfUploader AllowedExtensions=".jpg, .jpeg, .png" MaxFileSize=3000 Multiple="false">
<UploaderEvents ValueChange="OnChange"></UploaderEvents>
</SfUploader>
}
</EditTemplate>
</GridColumn>