public Task BindModelAsync(ModelBindingContext bindingContext)
{
ManagerViewModel viewModel = new ManagerViewModel();
foreach (var Property in typeof(ManagerViewModel).GetProperties())
{
PropertyInfo info = viewModel.GetType().GetProperty(Property.Name);
var value = bindingContext.ValueProvider.GetValue(Property.Name);
if (Property.Name.Equals("Account"))
{
var count = _repositoryEF.Count(s => s.Account.Equals(value));
if (count > 0)
{
bindingContext.ModelState.AddModelError("Account", "该账户已存在");
return(Task.CompletedTask);
}
else
{
info.SetValue(viewModel, value);
}
}
else
{
info.SetValue(viewModel, value, null);
}
}
bindingContext.Result = ModelBindingResult.Success(viewModel);
//string ParameterName = bindingContext.ModelMetadata.ParameterName;
//string val = bindingContext.HttpContext.Request.Form[ParameterName];
//if (String.IsNullOrEmpty(val))
//{
// val = bindingContext.HttpContext.Request.Query[ParameterName];
//}
////根据名称获取传递的值
//ValueProviderResult ValueResult = bindingContext.ValueProvider.GetValue(ParameterName);
////从请求的参数集合中，拿到第一个参数
//string value11 = ValueResult.FirstValue;
//var modelName = bindingContext.ModelName;
//var valueProviderResult = bindingContext.ValueProvider.GetValue(modelName);
//if (valueProviderResult == ValueProviderResult.None)
//{
// return Task.CompletedTask;
//}
//bindingContext.ModelState.SetModelValue(modelName,valueProviderResult);
//var value = valueProviderResult.FirstValue;
//if (string.IsNullOrEmpty(value))
//{
// return Task.CompletedTask;
//}
//var count = _repositoryEF.Count(s => s.Account.Equals(value));
//if (count > 0)
//{
// bindingContext.ModelState.AddModelError("Account", "该账户已存在");
// return Task.CompletedTask;
//}
//var result = bindingContext.Result;
//bindingContext.Result = ModelBindingResult.Success(value);
return(Task.CompletedTask);
}
