Index zero based must be greater than or equal to zero

Question

Hey I keep getting an error      Index  zero based  must be greater than or equal to zero and less than the size of the argument list    My code   OdbcCommand cmd   new OdbcCommand  SELECT FirstName  SecondName  Aboutme FROM User WHERE UserID 1   cn    OdbcDataReader reader   cmd ExecuteReader    while  reader Read          Name Text   String Format   0   1    reader GetString 0   reader GetString 1        Aboutme Text   String Format   2    reader GetString 0

User · Accepted Answer

Your second String Format uses  2  as a placeholder but you re only passing in one argument  so you should use  0  instead   Change this   String Format   2    reader GetString 0      To this   String Format   0    reader GetString 2

User · Answer

Change this line   The 2 should be 0  Every count starts at 0     Aboutme Text   String Format   2    reader GetString 0     wrong    Aboutme Text   String Format   0    reader GetString 0     correct

User · Answer

String Format must start with zero index   0   like this   Aboutme Text   String Format   0    reader GetString 0

User · Answer

Change this line   Aboutme Text   String Format   0    reader GetString 0

User · Answer

This can also happen when trying to throw an ArgumentException where you inadvertently call the ArgumentException constructor overload  public static void Dostuff Foo bar           this works    throw new ArgumentException String Format  Could not find  0    bar SomeStringProperty          this gives the error    throw new ArgumentException String Format  Could not find  0     bar SomeStringProperty

User · Answer

In this line   Aboutme Text   String Format   2    reader GetString 0      The token  2  is invalid because you only have one item in the parms   Use this instead   Aboutme Text   String Format   0    reader GetString 0

User · Answer

using System   namespace ConsoleApp1       class Program               static void Main                         Console WriteLine  Enter Your FirstName                 String FirstName   Console ReadLine                 Console WriteLine  Enter Your LastName                 String LastName   Console ReadLine                Console ReadLine                 Console WriteLine  Hello  0    1     FirstName  LastName               Console ReadLine

[c#] Index (zero based) must be greater than or equal to zero

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