The latest articles on DEV Community by artarya (@artarya). https://dev.to/artarya https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1042825%2F1830c5a7-7524-4be3-be6d-5f2d40cc6c6b.jpeg https://dev.to/artarya en artarya Fri, 10 Mar 2023 20:14:11 +0000 https://dev.to/artarya/error-object-reference-not-set-to-an-instance-of-an-object-when-debug-in-visual-studio-2022-3jj9 https://dev.to/artarya/error-object-reference-not-set-to-an-instance-of-an-object-when-debug-in-visual-studio-2022-3jj9 <div class="ltag__stackexchange--container"> <div class="ltag__stackexchange--title-container"> <div class="ltag__stackexchange--title"> <div class="ltag__stackexchange--header"> <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--7Gn-iPj_--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev.to/assets/stackoverflow-logo-b42691ae545e4810b105ee957979a853a696085e67e43ee14c5699cf3e890fb4.svg" alt=""> <a href="https://stackoverflow.com/questions/66090640/error-object-reference-not-set-to-an-instance-of-an-object-when-debug-in-vis" rel="noopener noreferrer"> Error " Object reference not set to an instance of an object." when debug in visual studio 2022 </a> </div> <div class="ltag__stackexchange--post-metadata"> <span>Feb 7 '21</span> <span>Comments: 2</span> <span>Answers: 0</span> </div> </div> <a class="ltag__stackexchange--score-container" href="https://stackoverflow.com/questions/66090640/error-object-reference-not-set-to-an-instance-of-an-object-when-debug-in-vis" rel="noopener noreferrer"> <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--Y9mJpuJP--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev.to/assets/stackexchange-arrow-up-eff2e2849e67d156181d258e38802c0b57fa011f74164a7f97675ca3b6ab756b.svg" alt=""> <div class="ltag__stackexchange--score-number"> 0 </div> <img src="https://res.cloudinary.com/practicaldev/image/fetch/s--wif5Zq3z--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev.to/assets/stackexchange-arrow-down-4349fac0dd932d284fab7e4dd9846f19a3710558efde0d2dfd05897f3eeb9aba.svg" alt=""> </a> </div> <div class="ltag__stackexchange--body"> <p>I get this error when I debug the project I tried line by line, I think that when it wants to create a database with ApplicationDbContext, it can't and it shows this error. The error occurs in the code below</p> <pre><code> public class ApplicationRoleManager : RoleManager&lt;ApplicationRole&gt; { public ApplicationRoleManager(IRoleStore&lt;ApplicationRole, string&gt; store)</code></pre>… </div> <div class="ltag__stackexchange--btn--container"> <a href="https://stackoverflow.com/questions/66090640/error-object-reference-not-set-to-an-instance-of-an-object-when-debug-in-vis" class="ltag__stackexchange--btn" rel="noopener noreferrer">Open Full Question</a> </div> </div>