asp.net-mvc文本框验证
我正在使用示例asp.net mvc应用程序,我想在某些文本框上添加特定的验证 例如:asp.net-mvc文本框验证,asp.net-mvc,Asp.net Mvc,我正在使用示例asp.net mvc应用程序,我想在某些文本框上添加特定的验证 例如: 没有空间 最小/最大尺寸 我该怎么做呢?举个例子: 控制器: [AcceptVerbs(HttpVerbs.Post)] public ActionResult Index(Company company) { //validate and save data if (ValidateCompanyData(company)) { _service.SaveComp
- 没有空间
- 最小/最大尺寸
我该怎么做呢?举个例子: 控制器:
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Index(Company company)
{
//validate and save data
if (ValidateCompanyData(company))
{
_service.SaveCompanyData(CustomerId, company);
ViewData["info"] = "Your changes have been saved.";
}
var companyViewData = GenerateCompanyViewData(company);
return View("Index", companyViewData);
}
[NonAction]
public bool ValidateCompanyData(Company company)
{
if (!company.VAT.HasValue())
{
ModelState.AddModelError("VAT", "'Vat' is a required field.");
}
if (!company.CompanyName.HasValue())
{
ModelState.AddModelError("CompanyName", "'Name' is a required field.");
}
return ModelState.IsValid;
}
视图:
访问错误消息
如果您想知道:
.HasValue()是一个扩展方法,与!string.IsNullorEmpty()示例: 控制器:
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Index(Company company)
{
//validate and save data
if (ValidateCompanyData(company))
{
_service.SaveCompanyData(CustomerId, company);
ViewData["info"] = "Your changes have been saved.";
}
var companyViewData = GenerateCompanyViewData(company);
return View("Index", companyViewData);
}
[NonAction]
public bool ValidateCompanyData(Company company)
{
if (!company.VAT.HasValue())
{
ModelState.AddModelError("VAT", "'Vat' is a required field.");
}
if (!company.CompanyName.HasValue())
{
ModelState.AddModelError("CompanyName", "'Name' is a required field.");
}
return ModelState.IsValid;
}
视图:
访问错误消息
如果您想知道:
.HasValue()是一个扩展方法,与!string.IsNullorEmpty()