I have webapp deployed in Azure. I am continuously getting error, below. I checked my SQL connection string it is valid. I am using EF core and SQL Azure database.
System.ArgumentException: Format of the initialization string does not conform to specification starting at index 157. at System.Data.Common.DbConnectionOptions.GetKeyValuePair(String connectionString
My password in connection string was starting with "=". I changed that with a new password and it started working. eg : Password "==3-@5KvZ^WX@hMST"