select asp-for code example
Example 1: select asp-items selecte one
@model MyViewModel
<form asp-controller="Home" asp-action="Create">
<label>Comments</label>
<input type="text" asp-for="Comments"/>
<label>Lucky Employee</label>
<select asp-for="EmployeeId" asp-items="@Model.Employees" >
<option>Please select one</option>
</select>
<input type="submit"/>
</form>
Example 2: class selector to property in asp net core dropdown
<select data-val="true" data-val-required="The Employee field is required." id="Employee" name="Employee"> <option value=""></option> <optgroup label="IT"> <option value="1">Mike</option> </optgroup> <optgroup label="Sales"> <option value="2">Pete</option> <option value="4">Dean</option> </optgroup> <optgroup label="Admin"> <option value="3">Katy</option> </optgroup></select>