WebFeb 17, 2013 · Another cool trick is to use the USING directive which will dispose of the SqlConnection object when execution passes out of scope. using (SqlConnection cn = new SqlConnection (sConnectionString)) { if (cn.State != ConnectionState.Open) cn.Open (); // add query code here. if (cn.State != ConnectionState.Closed) cn.Close (); } WebFeb 28, 2024 · SQL. USE AdventureWorks2012; GO DECLARE contact_cursor CURSOR FOR SELECT LastName FROM Person.Person WHERE LastName LIKE 'B%' …
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WebThe SELECT TOP clause is used to specify the number of records to return. The SELECT TOP clause is useful on large tables with thousands of records. Returning a large number of records can impact performance. Note: Not all database systems support the SELECT … Edit the SQL Statement, and click "Run SQL" to see the result. Run SQL » ... The SQL GROUP BY Statement. The GROUP BY statement groups rows that … W3Schools offers free online tutorials, references and exercises in all the major … Click "Run SQL" to execute the SQL statement above. W3Schools has … SQL Wildcard Characters. A wildcard character is used to substitute one or … The SQL AND, OR and NOT Operators. The WHERE clause can be combined … SQL INNER JOIN Keyword. The INNER JOIN keyword selects records that have … W3Schools offers free online tutorials, references and exercises in all the major … The SQL INSERT INTO Statement. The INSERT INTO statement is used to … The SQL BETWEEN Operator. The BETWEEN operator selects values … WebJun 12, 2024 · Hmmmm, maybe it's just as simple as this: SqlConnection sqlConnection1 = new SqlConnection ("Your Connection String"); SqlCommand cmd = new SqlCommand (); SqlDataReader reader; cmd.CommandText = "SELECT * FROM Customers"; cmd.CommandType = CommandType.Text; cmd.Connection = sqlConnection1; … joseph finlay southampton
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WebMay 31, 2013 · I am getting data from SQL and putting it in list. here's what I am trying now, public class Fruit //custom list { public string aID { get;set; } // can be more then 1 public string bID { get;set; } // only 2 but different aID public string name { get;set; } // only 1 for selection of aID and bID } Web$sql = "SELECT Student.First_Name,Student.Last_name,Student.Mobile_No,Student.Email,Student.Institue,Student.DOB,Student.Gender Address.Address_Line1,Address.City,Address.State,Address.Country,Address.Zip_code FROM Student INNER JOIN Address ON Student.Id=Address.Id;"; Share Improve this … Webcursor.execute ("select user_id, user_name from users where user_id < 100") rows = cursor.fetchall () for row in rows: print row.user_id, row.user_name Share Follow answered Jul 12, 2012 at 12:00 anonymous_user 151 2 Add a comment 5 Just do this: joseph finley obituary