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Varargs The varargs, or variable arguments, feature allows a developer to declare that a method can take a variable number of parameters for a given argument. The vararg must be the last argument in the formal argument list. You might use varargs to allow adding one to many objects to a collection that you have defined by using a single add method call. Suppose you need a method that writes any ..

ExecuteScalar를 이용하면 SqlDataReader를 이용하지 않고도 Row Count를 얻을 수 있다. 일반적인 사용 방법은 int rowCount = SELECT Count(column_name) FROM table_name int rcds=0; sqlcmd.CommandText="Select count(*) from my_table where recdid='Active'"; rcds = sqlcmd.ExecuteScalar(); if(rcds>0) { sqlcmd.CommandText="Select Info1 from my_table where recdid='Active'"; myrdr = sqlcmd.ExecuteDataReader(); while(myrdr.Read()) { //Read..

//Connection SqlConnection con = new SqlConnection(); con.ConnectionString = ConfigurationManager.ConnectionStrings["연결문자열"].ConnectionString; con.Open(); //Command SqlCommand cmd = new SqlCommand(); cmd.Connection = con; //사용할 프로시저 cmd.CommandType = CommandType.StoredProcedure; cmd.CommandText = "sp 이름"; //입력 파라미터 cmd.Parameters.AddWithValue("@param1", "1234"); cmd.Parameters.AddWithValue("@par..

select * from table_name where condition_1 and (cast(sd_date as smalldatetime) >= cast('2006-05-02 00:00:01' as smalldatetime) and cast(sd_date as smalldatetime)