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Create an appsettings.json file and include your connection string in it.
Connection string issue
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(236.8, 43%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EP%3C/text%3E%3C/svg%3E)
Peter_1985
2,686
Reputation points
Hi,
What kind of file can be inserted, regarding Connection string, into Maui App?
.NET
.NET MAUI
.NET MAUI
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
3,594 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 6%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELL%3C/text%3E%3C/svg%3E)
Leon Lu (Shanghai Wicresoft Co,.Ltd.) 76,551 Reputation points Microsoft Vendor2024-07-16T06:58:16.46+00:00 What kind of file can be inserted, regarding Connection string, into Maui App
What is the expected behavior and how does that differ from the actual behavior?
Which platform do you want to insert this file?
Do you want to read the strings from files in your project?
As Note: Please edit this post to add full details.
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Peter_1985 2,686 Reputation points
2024-07-16T07:46:14.1133333+00:00 Which kind of file (inside Maui app project) is handling Connection string?
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Leon Lu (Shanghai Wicresoft Co,.Ltd.) 76,551 Reputation points Microsoft Vendor
2024-07-17T01:42:15.8766667+00:00 Do you want to read the connection string, then retrieve data from remote SQL Server?
Please do not save your connection string in file, you can write a Web Api with JWT Token and let you App get data from there, you can save the Token in the Secure storage.
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Leon Lu (Shanghai Wicresoft Co,.Ltd.) 76,551 Reputation points Microsoft Vendor
2024-07-30T00:48:12.6633333+00:00 How about to run it inside Android? Can you share the details to have it in VS 2022?
Please clarify the following problems:
- What is the scenario you are trying to solve?
- What do you mean by running it inside Android?
- What are you trying to connect to?
- How do you plan to use this string?
As Note: Please edit this post to add full details.
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2 answers
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 43%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWK%3C/text%3E%3C/svg%3E)
Waqar Kabir 1 Reputation point2024-07-16T17:43:01.1733333+00:00 -
Peter_1985 2,686 Reputation points
2024-07-17T02:23:37.1233333+00:00 To the file like appsettings.json, is it having the similar format like that of Web.config file (in XML)?
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Leon Lu (Shanghai Wicresoft Co,.Ltd.) 76,551 Reputation points Microsoft Vendor
2024-07-19T08:34:21.9433333+00:00 appsettings.json cannot be reloaded like Asp.net core webapi in MAUI, you have to put it in the Raw folder, then read it to the Stream.
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Peter_1985 2,686 Reputation points
2024-07-20T11:18:42.01+00:00 Can you have more details of the way, using an example? Many thanks.
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Peter_1985 2,686 Reputation points
2024-07-22T07:32:38.1366667+00:00 Is it JavaScript Json configuration file? Do you have one example?
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Leon Lu (Shanghai Wicresoft Co,.Ltd.) 76,551 Reputation points Microsoft Vendor
2024-07-22T07:46:48.92+00:00 It is not recommended save your connection string in self-created appsettings.json file. If you insist on to do it, you can find the Resouces/Raw folder, you open the AboutAssets.txt file, will have code about read the file content, you can try to use code to read AboutAssets.txt in your project, then add the
appsettings.jsonfile -
Peter_1985 2,686 Reputation points
2024-07-22T07:59:06.7+00:00 If there was no connection details within the APP, how can it connect to retrieve the data for its usage?
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Leon Lu (Shanghai Wicresoft Co,.Ltd.) 76,551 Reputation points Microsoft Vendor
2024-07-22T09:21:41.9133333+00:00 For example, if you release your application to APK, Others can open your apk file like a compressed file and open your appsettings.json file, see the connection strings. Your DB link will be hacked.
If you still want to connect to DB by strings. You can put it in your code. Then use code obfuscation. When you release your application.
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Peter_1985 2,686 Reputation points
2024-07-22T09:36:54.0633333+00:00 Yes, it is not good to have Connectionstring.
Do you have more details (further to the current URL above) to embed the linkage in the code?
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Peter_1985 2,686 Reputation points
2024-07-25T08:31:06.9766667+00:00 Yes. You're right.
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Peter_1985 2,686 Reputation points
2024-07-25T09:54:09.04+00:00 Yes.
Is Maui executable within both Android and Mac OS, right?
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Leon Lu (Shanghai Wicresoft Co,.Ltd.) 76,551 Reputation points Microsoft Vendor
2024-07-29T02:19:18.67+00:00 Is Maui executable within both Android and Mac OS, right?
Yes. By the way, MAUI could run at macOS 11 or higher, using Mac Catalyst.
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Peter_1985 2,686 Reputation points
2024-07-29T03:08:51.3066667+00:00 How about to run it inside Android? Can you share the details to have it in VS 2022?
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(211.20000000000002, 61%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Bruce (SqlWork.com) 66,621 Reputation points2024-07-16T19:45:40.2466667+00:00 as its hackable, the connection string should not contain user/password,