UPDATE Statements
To modify existing records, use UPDATE statements.
Update Syntax
The UPDATE statement takes as input a comma-separated list of columns and new column values as name-value pairs in the SET clause, as shown in the following example:
UPDATE <table_name> SET { <column_reference> = <expression> } [ , ... ] WHERE { AccountId = <expression> } [ { AND | OR } ... ]
<expression> ::=
| @ <parameter>
| ?
| <literal>
You can use the ExecuteNonQuery method to execute data manipulation commands and retrieve the rows affected, as shown in the following example:
C#
String connectionString = "InitiateOAuth=GETANDREFRESH;OrganizationUrl=https://myaccount.crm.dynamics.com/;"; using (CDSConnection connection = new CDSConnection(connectionString)) { int rowsAffected; CDSCommand cmd = new CDSCommand("UPDATE Accounts SET Name='John' WHERE AccountId = @myAccountId", connection); cmd.Parameters.Add(new CDSParameter("myAccountId","'00000000-0000-0000-0000-000000000000'")); rowsAffected = cmd.ExecuteNonQuery(); }
VB.NET
Dim connectionString As [String] = "InitiateOAuth=GETANDREFRESH;OrganizationUrl=https://myaccount.crm.dynamics.com/;" Using connection As New CDSConnection(connectionString) Dim rowsAffected As Integer Dim cmd As New CDSCommand("UPDATE Accounts SET Name='John' WHERE AccountId = @myAccountId", connection) cmd.Parameters.Add(New CDSParameter("myAccountId", "'00000000-0000-0000-0000-000000000000'")) rowsAffected = cmd.ExecuteNonQuery() End Using