The IDataReader interface inherits from IDataRecord. The Read() method changes the state of the reader so that you can retrieve the fields:
The below snippet employs multiple queries inside the same connection string. first i\'m selecting the some datas from the DB then before closing the datareader(dr) i would like to do some validations
I have a SQLDataReader that returns three integers. However, there are occasions when two of the integers will return null values.
cmd.CommandText = \"select name from Tbl_Shahr_No\"; SqlDataReader reader = null; reader = cmd.ExecuteReader();
I just converted a website from Foxpro to asp.Net with VB.I\'m now trying to convert to C# and maybe try a few new techniques.I\'ve not used parameters with datareader before - I found some code that
All, I am encountering \"Conversion overflow\" exceptions on one of the SqlDataAdapter.Fill() usages for a decimal field. The error occurs for value beginning 10 billion, but not till 1 billion. Here
SqlConnection sqlConn = new SqlConnection开发者_如何学Python(ConfigurationManager.ConnectionStrings[\"myDB\"].ConnectionString);
I have Memberships and Bookings tables in a database containing an attribute cust_id, which is the primary key in Memberships and reference key in Bookings. When I am executing a data reader I want it
I am noticing some odd behavior on my web page. I have a WCF Data service that serves up JSON to fill up a jqGrid. The service is called using javascript/ajax.
I\'m dynamically picking a table to select from and there\'s one fiel开发者_开发问答d that doesn\'t exist on all of the tables.Inside my reader, how can I check to see if that field exists in the coll
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