Create a login system using config file using .net web aplication
LoginPage.aspx page
This below page used for the Textbox and password field
<span class="pln"> </span><span class="tag"><h3</span><span class="pln"> </span><span class="atn">class</span><span class="pun">=</span><span class="atv">"bg-primary text-white"</span><span class="tag">></span><span class="pln">Login Here</span><span class="tag"></h3></span><span class="pln"> </span><span class="tag"><table</span><span class="pln"> </span><span class="atn">class</span><span class="pun">=</span><span class="atv">"table table-hover"</span><span class="tag">></span><span class="pln"> </span><span class="tag"><tr><td></span><span class="pln"> </span><span class="tag"><asp:TextBox</span><span class="pln"> </span><span class="atn">ID</span><span class="pun">=</span><span class="atv">"TextBox1"</span><span class="pln"> </span><span class="atn">runat</span><span class="pun">=</span><span class="atv">"server"</span><span class="pln"> </span><span class="atn">placeholder</span><span class="pun">=</span><span class="atv">"User Name"</span><span class="tag">></asp:TextBox></span><span class="pln"> </span><span class="tag"></td></tr></span><span class="pln"> </span><span class="tag"><tr><td></span><span class="pln"> </span><span class="tag"><asp:TextBox</span><span class="pln"> </span><span class="atn">ID</span><span class="pun">=</span><span class="atv">"TextBox2"</span><span class="pln"> </span><span class="atn">runat</span><span class="pun">=</span><span class="atv">"server"</span><span class="pln"> </span><span class="atn">placeholder</span><span class="pun">=</span><span class="atv">"Password"</span><span class="pln"> </span><span class="atn">TextMode</span><span class="pun">=</span><span class="atv">"Password"</span><span class="tag">></asp:TextBox></span><span class="pln"> </span><span class="tag"></td></tr></span><span class="pln"> </span><span class="tag"><tr><td></span><span class="pln"> </span><span class="tag"><asp:Button</span><span class="pln"> </span><span class="atn">ID</span><span class="pun">=</span><span class="atv">"Button1"</span><span class="pln"> </span><span class="atn">runat</span><span class="pun">=</span><span class="atv">"server"</span><span class="pln"> </span><span class="atn">Text</span><span class="pun">=</span><span class="atv">"Button"</span><span class="pln"> </span><span class="atn">OnClick</span><span class="pun">=</span><span class="atv">"</span><span class="typ">Button1_Click</span><span class="atv">"</span><span class="pln"> </span><span class="tag">/></span><span class="pln"> </span><span class="tag"></td></tr></span><span class="pln"> </span><span class="tag"></table></span><span class="pln"> </span>
web config file
<span class="pln"> </span><span class="tag"><configuration></span><span class="pln"> </span><span class="tag"><system.web></span><span class="pln"> </span><span class="tag"><compilation</span><span class="pln"> </span><span class="atn">debug</span><span class="pun">=</span><span class="atv">"true"</span><span class="pln"> </span><span class="atn">targetFramework</span><span class="pun">=</span><span class="atv">"4.6.1"</span><span class="tag">/></span><span class="pln"> </span><span class="tag"><httpRuntime</span><span class="pln"> </span><span class="atn">targetFramework</span><span class="pun">=</span><span class="atv">"4.6.1"</span><span class="tag">/></span><span class="pln"> </span><span class="com"><!-- THIS IS THE MAIN CODE WHICH IS MOST IMPORTANT --></span><span class="pln"> </span><span class="tag"><authentication</span><span class="pln"> </span><span class="atn">mode</span><span class="pun">=</span><span class="atv">"Forms"</span><span class="tag">></span><span class="pln"> </span><span class="tag"><forms</span><span class="pln"> </span><span class="atn">defaultUrl</span><span class="pun">=</span><span class="atv">"~/TravelDetailsInsert.aspx"</span><span class="pln"> </span><span class="atn">loginUrl</span><span class="pun">=</span><span class="atv">"~/LoginPage.aspx"</span><span class="tag">></span><span class="pln"> </span><span class="tag"><credentials</span><span class="pln"> </span><span class="atn">passwordFormat</span><span class="pun">=</span><span class="atv">"Clear"</span><span class="tag">></span><span class="pln"> </span><span class="tag"><user</span><span class="pln"> </span><span class="atn">name</span><span class="pun">=</span><span class="atv">"admin"</span><span class="pln"> </span><span class="atn">password</span><span class="pun">=</span><span class="atv">"admin"</span><span class="tag">/></span><span class="pln"> </span><span class="tag"><user</span><span class="pln"> </span><span class="atn">name</span><span class="pun">=</span><span class="atv">"rumman"</span><span class="pln"> </span><span class="atn">password</span><span class="pun">=</span><span class="atv">"rumman"</span><span class="tag">/></span><span class="pln"> </span><span class="tag"></credentials></span><span class="pln"> </span><span class="tag"></forms></span><span class="pln"> </span><span class="tag"></authentication></span><span class="pln"> </span><span class="com"><!-- END OF FOCUS HERE --></span><span class="pln"> </span><span class="tag"></system.web></span><span class="pln"> </span><span class="com"><!-- THE BELOW CODE IS IMPORTNT IF YOU WANT TO USE THE VALIDATION CONTROL --></span><span class="pln"> </span><span class="tag"><appSettings></span><span class="pln"> </span><span class="tag"><add</span><span class="pln"> </span><span class="atn">key</span><span class="pun">=</span><span class="atv">"ValidationSettings:UnObtrusiveValidationMode"</span><span class="pln"> </span><span class="atn">value</span><span class="pun">=</span><span class="atv">"None"</span><span class="tag">/></span><span class="pln"> </span><span class="tag"></appSettings></span><span class="pln"> </span><span class="com"><!-- THE BELOW CODE IS USED TO CONNECT WITH THE DATA BASE SQL SERVER--></span><span class="pln"> </span><span class="tag"><connectionStrings></span><span class="pln"> </span><span class="tag"><add</span><span class="pln"> </span><span class="atn">name</span><span class="pun">=</span><span class="atv">"constring"</span><span class="pln"> </span><span class="atn">connectionString</span><span class="pun">=</span><span class="atv">"Data Source = intvmsql01; Initial Catalog = DB02TEST01; User ID= pj02test01; password=tcstvm;"</span><span class="tag">/></span><span class="pln"> </span><span class="tag"></connectionStrings></span><span class="pln"> </span><span class="tag"><system.codedom></span><span class="pln"> </span><span class="tag"><compilers></span><span class="pln"> </span><span class="tag"><compiler</span><span class="pln"> </span><span class="atn">language</span><span class="pun">=</span><span class="atv">"c#;cs;csharp"</span><span class="pln"> </span><span class="atn">extension</span><span class="pun">=</span><span class="atv">".cs"</span><span class="pln"> </span><span class="atn">type</span><span class="pun">=</span><span class="atv">"Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"</span><span class="pln"> </span><span class="atn">warningLevel</span><span class="pun">=</span><span class="atv">"4"</span><span class="pln"> </span><span class="atn">compilerOptions</span><span class="pun">=</span><span class="atv">"/langversion:default /nowarn:1659;1699;1701"</span><span class="tag">/></span><span class="pln"> </span><span class="tag"><compiler</span><span class="pln"> </span><span class="atn">language</span><span class="pun">=</span><span class="atv">"vb;vbs;visualbasic;vbscript"</span><span class="pln"> </span><span class="atn">extension</span><span class="pun">=</span><span class="atv">".vb"</span><span class="pln"> </span><span class="atn">type</span><span class="pun">=</span><span class="atv">"Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.8.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"</span><span class="pln"> </span><span class="atn">warningLevel</span><span class="pun">=</span><span class="atv">"4"</span><span class="pln"> </span><span class="atn">compilerOptions</span><span class="pun">=</span><span class="atv">"/langversion:default /nowarn:41008 /define:_MYTYPE=\"</span><span class="atn">Web</span><span class="pln">\</span><span class="atv">" /optionInfer+"</span><span class="tag">/></span><span class="pln"> </span><span class="tag"></compilers></span><span class="pln"> </span><span class="tag"></system.codedom></span><span class="pln"> </span><span class="tag"></configuration></span><span class="pln"> </span>
file name: LoginPage.aspx.cs
The below using System.Web.Security; is important to execute the below code
<span class="pln"> </span><span class="kwd">using</span><span class="pln"> </span><span class="typ">System</span><span class="pun">.</span><span class="typ">Web</span><span class="pun">.</span><span class="typ">Security</span><span class="pun">;</span><span class="pln"> </span>
<span class="pln"> </span><span class="kwd">protected</span><span class="pln"> </span><span class="kwd">void</span><span class="pln"> </span><span class="typ">Button1_Click</span><span class="pun">(</span><span class="kwd">object</span><span class="pln"> sender</span><span class="pun">,</span><span class="pln"> </span><span class="typ">EventArgs</span><span class="pln"> e</span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span><span class="pln"> </span><span class="kwd">if</span><span class="pun">(</span><span class="typ">FormsAuthentication</span><span class="pun">.</span><span class="typ">Authenticate</span><span class="pun">(</span><span class="typ">TextBox1</span><span class="pun">.</span><span class="typ">Text</span><span class="pun">,</span><span class="pln"> </span><span class="typ">TextBox2</span><span class="pun">.</span><span class="typ">Text</span><span class="pun">))</span><span class="pln"> </span><span class="pun">{</span><span class="pln"> </span><span class="typ">FormsAuthentication</span><span class="pun">.</span><span class="typ">RedirectFromLoginPage</span><span class="pun">(</span><span class="typ">TextBox1</span><span class="pun">.</span><span class="typ">Text</span><span class="pun">,</span><span class="pln"> </span><span class="kwd">false</span><span class="pun">);</span><span class="pln"> </span><span class="pun">}</span><span class="pln"> </span><span class="kwd">else</span><span class="pln"> </span><span class="pun">{</span><span class="pln"> </span><span class="typ">Label3</span><span class="pun">.</span><span class="typ">Text</span><span class="pln"> </span><span class="pun">=</span><span class="pln"> </span><span class="str">"Invalid Credentials entered."</span><span class="pun">;</span><span class="pln"> </span><span class="pun">}</span><span class="pln"> </span><span class="com">//if (TextBox1.Text == "admin" && TextBox2.Text == "password")</span><span class="pln"> </span><span class="com">//{</span><span class="pln"> </span><span class="com">// Response.Redirect("TravelDetailsInsert.aspx");</span><span class="pln"> </span><span class="com">// Label3.Text = Convert.ToString("Successfully Login");</span><span class="pln"> </span><span class="com">//} </span><span class="pln"> </span><span class="com">//else</span><span class="pln"> </span><span class="com">//{</span><span class="pln"> </span><span class="com">// Response.Write("<script> alert('User Name or Password is wrong') </script>");</span><span class="pln"> </span><span class="com">// Label3.Text = Convert.ToString("UnSuccessfully Login");</span><span class="pln"> </span><span class="com">//}</span><span class="pln"> </span><span class="pun">}</span><span class="pln"> </span>
