C# : Return value using String result=Command.ExecuteScalar() error occurs when result returns null

C# : Return value using String result=Command.ExecuteScalar() error occurs when result returns null

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SQL : ExecuteScalar() returns null altough data was added to DB
SQL : ExecuteScalar() returns null altough data was added to DB
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SQL : ExecuteScalar() returns null altough data was added to DB

SQL : ExecuteScalar() returns null altough data was added to DB
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ADO .Net - C# Console Applications - ExecuteNonQuery - 1
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Get TopRecord number using ExecuteScalar method in ASP.NET
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SQL : Getting return value from stored procedure in C#
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Databases: Must declare the scalar variable question (3 Solutions!!)
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C# : ExecuteNonQuery: Connection property has not been initialized.
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SQL : SQL Error: The conversion of a varchar data type to a datetime data type resulted in an out-of
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The value for column 'IsPrimaryKey' in table 'TableDetails' is DBNull
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5. Visual C# ADO .NET ExecuteNonQuery
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Connecting Database Using Connection String SqlServer 2008 R2
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