@Html.ActionLink(item.Name, "Details", new { id = item.ProductNumber , Name=item.Name })
203 00:16:38,731 --> 00:16:41,325 <i>Happy Christmas, your arse I pray God it's our last</i>
203 00:16:38,731 --> 00:16:41,325 <i>Happy Christmas, your arse I pray God it's our last</i>
private readonly static Regex regex_srt = new Regex(@"(?<sequence>\d+)\r\n(?<start>\d{2}\:\d{2}\:\d{2},\d{3}) --\> " +
@"(?<end>\d{2}\:\d{2}\:\d{2},\d{3})\r\n(?<text>[\s\S]*?)\r\n\r\n", RegexOptions.Compiled);
public string ToUnicode(string lines)
{
string subtitle= regex_srt.Replace(lines,delegate(Match m)
{
string text = m.Groups["text"].Value;
//1.remove tags
text = CleanScriptTags(text);
//2.replace letters
PersianReshape reshaper = new PersianReshape();
text = reshaper.reshape(text);
string[] splitedlines = text.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
text = "";
foreach (string line in splitedlines)
{
//3.reverse tags
text += ReverseText(reshaper.reshape(line))+Environment.NewLine ;
}
return
string.Format("{0}\r\n{1} --> {2}\r\n", m.Groups["sequence"], m.Groups["start"].Value,
m.Groups["end"]) + text + Environment.NewLine+Environment.NewLine ;
}
);
return subtitle;
} m.Groups["text"].Value
private static readonly Regex regex_tags = new Regex("<.*?>", RegexOptions.Compiled);
private string CleanScriptTags(string html)
{
return regex_tags.Replace(html, string.Empty);
} PersianReshape reshaper = new PersianReshape();
text = reshaper.reshape(text);
string[] splitedlines = text.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
text = "";
foreach (string line in splitedlines)
{
//3.reverse tags
text += ReverseText(reshaper.reshape(line))+Environment.NewLine ;
} Dictionary<int ,int> letters=new Dictionary<int, int>();
//0=0x0 ,1=1x0 ,2=0x1 ,3=1x1
private void FillPrimaryTable()
{
//آ
letters.Add(1570, 65153);
//ا
letters.Add(1575, 65166);
//أ
letters.Add(1571, 65155);
//ب
letters.Add(1576, 65167);
//ت
letters.Add(1578, 65173);
//ث
letters.Add(1579, 65177);
//ج
letters.Add(1580, 65181);
.....
}
Dictionary<int,byte> specialchars=new Dictionary<int, byte>();
private void SetSpecialChars()
{
//آ
specialchars.Add(1570, 0);
//ا
specialchars.Add(1575, 0);
//د2
specialchars.Add(1583, 1);
//ذ2
specialchars.Add(1584, 1);
//ر2
specialchars.Add(1585, 1);
//ز2
specialchars.Add(1586, 1);
//ژ
specialchars.Add(1688, 1);
//و2
specialchars.Add(1608, 1);
//أ
specialchars.Add(1571, 1);
} PersianReshape reshaper = new PersianReshape();
text = reshaper.reshape(text); //3.reverse tags
text = ReverseText(text); string[] splitedlines = text.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
text = "";
foreach (string line in splitedlines)
{
//3.reverse tags
text += ReverseText(reshaper.reshape(line))+Environment.NewLine ;
} private string Reverse(string text)
{
return Reverse(text,0,text.Length);
}
private string Reverse(string text,int start,int end)
{
if (end < start)
return text;
string reverseText = "";
for (int i = end-1; i >=start; i--)
{
reverseText += text[i];
}
return reverseText;
} private string ReverseText(string text)
{
char[] chararray = text.ToCharArray();
string reverseText = "";
bool prefixcomp = false;
bool postfixcomp = false;
string prefix = "";
string postfix = "";
#region get prefix symbols
for (int i = 0; i < chararray.Length; i++)
{
if (!prefixcomp)
{
char ch =(char) chararray.GetValue(i) ;
if (ch< 130)
{
prefix += chararray.GetValue(i);
}
else
{
prefixcomp = true;
break;
}
}
}
#endregion
} #region get postfix symbols
for (int i = chararray.Length - 1; i >-1 ; i--)
{
if (!postfixcomp && prefix.Length!=text.Length)
{
char ch = (char)chararray.GetValue(i);
if (ch < 130)
{
postfix += chararray.GetValue(i);
}
else
{
postfixcomp = true;
break;
}
}
}
#endregion #region reverse text
reverseText = Reverse(text, prefix.Length, text.Length-postfix.Length);
reverseText = unTagetdLettersRegex.Replace(reverseText, delegate(Match m)
{
return Reverse(m.Value);
});
#endregion private static readonly Regex unTagetdLettersRegex = new Regex(@"[A-Za-z0-9]+", RegexOptions.Compiled);
return prefix+ reverseText+postfix;
private static readonly Regex unTagetdLettersRegex = new Regex(@"[A-Za-z0-9]+", RegexOptions.Compiled);
private string ReverseText(string text)
{
char[] chararray = text.ToCharArray();
string reverseText = "";
bool prefixcomp = false;
bool postfixcomp = false;
string prefix = "";
string postfix = "";
#region get prefix symbols
for (int i = 0; i < chararray.Length; i++)
{
if (!prefixcomp)
{
char ch =(char) chararray.GetValue(i) ;
if (ch< 130)
{
prefix += chararray.GetValue(i);
}
else
{
prefixcomp = true;
break;
}
}
}
#endregion
#region get postfix symbols
for (int i = chararray.Length - 1; i >-1 ; i--)
{
if (!postfixcomp && prefix.Length!=text.Length)
{
char ch = (char)chararray.GetValue(i);
if (ch < 130)
{
postfix += chararray.GetValue(i);
}
else
{
postfixcomp = true;
break;
}
}
}
#endregion
#region reverse text
reverseText = Reverse(text, prefix.Length, text.Length-postfix.Length);
reverseText = unTagetdLettersRegex.Replace(reverseText, delegate(Match m)
{
return Reverse(m.Value);
});
#endregion
return prefix+ reverseText+postfix;
} return
string.Format("{0}\r\n{1} --> {2}\r\n", m.Groups["sequence"], m.Groups["start"].Value,
m.Groups["end"]) + text + Environment.NewLine+Environment.NewLine ; 
%5B(009764)01-51-12%5D.JPG)
//1.remove tags
text = CleanScriptTags(text); text =StringUtils.ConvertToMultiLine(text);
namespace Utils
{
public static class StringUtils
{
public static string ConvertToMultiLine(String text, int min = 30, int max = 40)
{
if (text.Trim() == "")
return text;
string[] words = text.Split(new string[] { " " }, StringSplitOptions.None);
string text1 = "";
string text2 = "";
foreach (string w in words)
{
if (text1.Length < min)
{
if (text1.Length == 0)
{
text1 = w;
continue;
}
if (w.Length + text1.Length <= max)
text1 += " " + w;
}
else
text2 += w + " ";
}
text1 = text1.Trim();
text2 = text2.Trim();
if (text2.Length > 0)
{
text1 += Environment.NewLine + ConvertToMultiLine(text2, min, max);
}
return text1;
}
}
} 
public class IdentityErrorDescriber
{
public virtual IdentityError DefaultError()
{
return new IdentityError
{
Code = nameof(DefaultError),
Description = Resources.DefaultError
};
} public class CustomIdentityErrorDescriber : IdentityErrorDescriber
{
public override IdentityError DefaultError()
{
return new IdentityError
{
Code = nameof(DefaultError),
Description = "خطایی رخ دادهاست."
};
} services.AddScoped<IdentityErrorDescriber, CustomIdentityErrorDescriber>();
services.AddIdentity<User, Role>(identityOptions =>
{
}).AddUserStore<ApplicationUserStore>()
// the rest of the setting …
.AddErrorDescriber<CustomIdentityErrorDescriber>()
// the rest of the setting … public class PasswordValidator<TUser> : IPasswordValidator<TUser> where TUser : class
{
public PasswordValidator(IdentityErrorDescriber errors = null)
{
Describer = errors ?? new IdentityErrorDescriber();
} public class CustomPasswordValidator : PasswordValidator<User>
{
private readonly IUsedPasswordsService _usedPasswordsService;
private readonly ISet<string> _passwordsBanList;
public CustomPasswordValidator(
IdentityErrorDescriber errors,// How to use CustomIdentityErrorDescriber
IOptionsSnapshot<SiteSettings> configurationRoot,
IUsedPasswordsService usedPasswordsService) : base(errors)
public class CustomUserValidator : UserValidator<User>
{
private readonly ISet<string> _emailsBanList;
public CustomUserValidator(
IdentityErrorDescriber errors,// How to use CustomIdentityErrorDescriber
IOptionsSnapshot<SiteSettings> configurationRoot
) : base(errors) سلام؛ من یک جدول یوزر دارم که آی دی داره و یک جدول فیش دارم که دوتا فیلد داره که هر کدوم از فیلدها به آی دی یوزر ریلیشن داره. میخواهم از طریق code first این ریلیشن رو ایجاد کنم ولی همش خطای زیر رو میده و انجام نمیشه
Introducing FOREIGN KEY constraint 'FK_Fishs_Users_CustomerId' on table 'Fishs' may cause cycles or multiple cascade paths. Specify ON DELETE NO ACTION or ON UPDATE NO ACTION, or modify other FOREIGN KEY constraints.
Could not create constraint or index. See previous errors.
fetchProducts(categoryId?: number) {
console.log(categoryId);
this.products = [];
if (categoryId === undefined || categoryId.toString() === "undefined") {
return;
} 
> npm install ng2-toasty --save
npm ERR! Error: EPERM: operation not permitted, rename
"styles": [
"../node_modules/bootstrap/dist/css/bootstrap.min.css",
"../node_modules/ng2-toasty/bundles/style-bootstrap.css",
"styles.css"
], import { ToastyModule } from "ng2-toasty";
@NgModule({
imports: [
BrowserModule,
ToastyModule.forRoot(), <ng2-toasty [position]="'top-right'"></ng2-toasty>
import { ToastyService, ToastOptions } from "ng2-toasty";
export class ProductGroupComponent implements OnInit {
constructor(
private productItemsService: ProductItemsService,
private toastyService: ToastyService) { }
fetchProducts(categoryId?: number) {
console.log(categoryId);
this.products = [];
if (categoryId === undefined || categoryId.toString() === "undefined") {
this.toastyService.error(<ToastOptions>{
title: "Error!",
msg: "Please select a category.",
theme: "bootstrap",
showClose: true,
timeout: 5000
});
return;
} 
this.productItemsService.getCategories().subscribe(
data => {
this.categories = data;
},
err => console.log("get error: ", err)
); > ng g cl app.error-handler
installing class create src\app\app.error-handler.ts
import { ErrorHandler } from "@angular/core";
export class AppErrorHandler implements ErrorHandler {
handleError(error: any): void {
console.log("Error:", error);
}
} import { NgModule, ErrorHandler } from "@angular/core";
import { AppErrorHandler } from "./app.error-handler";
@NgModule({
providers: [
{ provide: ErrorHandler, useClass: AppErrorHandler }
] [HttpGet("[action]/{categoryId:int}")]
public async Task<IActionResult> GetProducts(int categoryId)
{
throw new Exception(); this.productItemsService.getProducts(categoryId).subscribe(
data => {
this.products = data;
this.isLoadingProducts = false;
}// ,
// err => {
// console.log("get error: ", err);
// this.isLoadingProducts = false;
// }
); 
import { ToastyService, ToastOptions } from "ng2-toasty";
import { ErrorHandler } from "@angular/core";
export class AppErrorHandler implements ErrorHandler {
constructor(private toastyService: ToastyService) {
}
handleError(error: any): void {
// console.log("Error:", error);
this.toastyService.error(<ToastOptions>{
title: "Error!",
msg: "Fatal error!",
theme: "bootstrap",
showClose: true,
timeout: 5000
});
}
} Uncaught Error: Can't resolve all parameters for AppErrorHandler: (?).
import { ErrorHandler, Inject } from "@angular/core";
export class AppErrorHandler implements ErrorHandler {
constructor(
@Inject(ToastyService) private toastyService: ToastyService
) {
} import { ToastyService, ToastOptions } from "ng2-toasty";
import { ErrorHandler, Inject, NgZone } from "@angular/core";
import { LocationStrategy, PathLocationStrategy } from "@angular/common";
export class AppErrorHandler implements ErrorHandler {
constructor(
@Inject(NgZone) private ngZone: NgZone,
@Inject(ToastyService) private toastyService: ToastyService,
@Inject(LocationStrategy) private locationProvider: LocationStrategy
) {
}
handleError(error: any): void {
// console.log("Error:", error);
const url = this.locationProvider instanceof PathLocationStrategy ? this.locationProvider.path() : "";
const message = error.message ? error.message : error.toString();
this.ngZone.run(() => {
this.toastyService.error(<ToastOptions>{
title: "Error!",
msg: `URL:${url} \n ERROR:${message}`,
theme: "bootstrap",
showClose: true,
timeout: 5000
});
});
// IMPORTANT: Rethrow the error otherwise it gets swallowed
// throw error;
}
} 
>npm install >ng build --watch
>dotnet restore >dotnet watch run