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Call a stored procedure with parameter in c#
...operly:
private void button1_Click(object sender, EventArgs e) {
using (SqlConnection con = new SqlConnection(dc.Con)) {
using (SqlCommand cmd = new SqlCommand("sp_Add_contact", con)) {
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("@FirstName", SqlDbType.VarC...
On delete cascade with doctrine2
...;br />\n";
}
If you now do
# doctrine orm:schema-tool:create --dump-sql
you will see that the same SQL will be generated as in the first, raw-SQL example
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What is the purpose of AsQueryable()?
...yable() is explained in Using AsQueryable With Linq To Objects And Linq To SQL. In particular, the article states,
This offers an excellent benefits in real word scenarios where you have certain methods on an entity that return an IQueryable of T and some methods return List. But then you have ...
Is there any connection string parser in C#?
...e base class from which the
strongly typed connection string
builders (SqlConnectionStringBuilder,
OleDbConnectionStringBuilder, and so
on) derive. The connection string
builders let developers
programmatically create syntactically
correct connection strings, and parse
and rebuild ex...
Laravel Migration Change to Make a Column Nullable
...ifying columns, so you'll need use another technique such as writing a raw SQL command. For example:
// getting Laravel App Instance
$app = app();
// getting laravel main version
$laravelVer = explode('.',$app::VERSION);
switch ($laravelVer[0]) {
// Laravel 4
case('4'):
DB::stat...
How to update SQLAlchemy row entry?
...ns. Instead use user.no_of_logins = user.no_of_logins + 1. Translated into sql the latter correct way becomes: SET no_of_logins = no_of_logins + 1.
– ChaimG
Jul 14 '16 at 20:19
6
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error, string or binary data would be truncated when trying to insert
...
Thanks. Mine was because the sql column in tableA is varchar(100). It also insert to another table, in which, the column is varchar(50).
– Hnin Htet Htet Aung
Jun 5 '17 at 7:39
...
What is this operator in MySQL?
...d and therefore supported on other databases, unlike <=>, which is MySQL-specific.
You can think of them as specialisations of MySQL's <=>:
'a' IS NULL ==> 'a' <=> NULL
'a' IS NOT NULL ==> NOT('a' <=> NULL)
Based on this, your particular query (fragment) can be con...
MongoDB and “joins” [duplicate]
...in since the relationship will only be evaluated when needed. A join (in a SQL database) on the other hand will resolve relationships and return them as if they were a single table (you "join two tables into one").
You can read more about DBRef here:
http://docs.mongodb.org/manual/applications/data...
Effect of NOLOCK hint in SELECT statements
... about it by a colleague and my initial research made me question myself. SQLServer 2005 documentation says that with NOLOCK is the default locking scheme for all select statements! I'd guess then that my hints would be redundant in ...
– Bob Probst
Oct 16 '0...