How to get data by SqlDataReader.GetValue by column name

Question

I use SqlDataReader.GetValue method to read values from DB:

Log.WriteLine(\"Value of CompanyName column:\" + thisReader.GetValue(1)); 

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Answer 1

You can also do this.

//find the index of the CompanyName column
int columnIndex = thisReader.GetOrdinal("CompanyName"); 
//Get the value of the column. Will throw if the value is null.
string companyName = thisReader.GetString(columnIndex);

Answer 2

Log.WriteLine("Value of CompanyName column:" + thisReader["CompanyName"]); 

Answer 3

thisReader.GetString(int columnIndex)