MySqlDataAdapter Constructor

MySQL Connector/Net

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MySqlDataAdapter Constructor
Initializes a new instance of the MySqlDataAdapter class.

Namespace: MySql.Data.MySqlClient
Assembly: MySql.Data (in MySql.Data.dll) Version: 6.9.9
Syntax
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public MySqlDataAdapter()
Public Sub New
public:
MySqlDataAdapter()
new : unit -> MySqlDataAdapter
Remarks

When an instance of MySqlDataAdapter is created, the following read/write properties are set to the following initial values.

PropertiesInitial Value
MissingMappingActionMissingMappingAction.Passthrough
MissingSchemaActionMissingSchemaAction.Add

You can change the value of any of these properties through a separate call to the property.

Examples
The following example creates a MySqlDataAdapter and sets some of its properties.
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public static void CreateSqlDataAdapter()
{
MySqlConnection conn = new MySqlConnection("Data Source=localhost;database=test");
MySqlDataAdapter da = new MySqlDataAdapter();
da.MissingSchemaAction = MissingSchemaAction.AddWithKey;

da.SelectCommand = new MySqlCommand("SELECT id, name FROM mytable", conn);
da.InsertCommand = new MySqlCommand("INSERT INTO mytable (id, name) " +
"VALUES (@id, @name)", conn);
da.UpdateCommand = new MySqlCommand("UPDATE mytable SET id=@id, name=@name " +
"WHERE id=@oldId", conn);
da.DeleteCommand = new MySqlCommand("DELETE FROM mytable WHERE id=@id", conn);

da.InsertCommand.Parameters.Add("@id", MySqlDbType.VarChar, 5, "id");
da.InsertCommand.Parameters.Add("@name", MySqlDbType.VarChar, 40, "name");

da.UpdateCommand.Parameters.Add("@id", MySqlDbType.VarChar, 5, "id");
da.UpdateCommand.Parameters.Add("@name", MySqlDbType.VarChar, 40, "name");
da.UpdateCommand.Parameters.Add("@oldId", MySqlDbType.VarChar, 5, "id").SourceVersion = DataRowVersion.Original;

da.DeleteCommand.Parameters.Add("@id", MySqlDbType.VarChar, 5, "id").SourceVersion = DataRowVersion.Original;
}
Public Sub CreateSqlDataAdapter()
Dim conn As MySqlConnection = New MySqlConnection("Data Source=localhost;" & _
"database=test")
Dim da As MySqlDataAdapter = New MySqlDataAdapter
da.MissingSchemaAction = MissingSchemaAction.AddWithKey

da.SelectCommand = New MySqlCommand("SELECT id, name FROM mytable", conn)
da.InsertCommand = New MySqlCommand("INSERT INTO mytable (id, name) " & _
"VALUES (@id, @name)", conn)
da.UpdateCommand = New MySqlCommand("UPDATE mytable SET id=@id, name=@name " & _
"WHERE id=@oldId", conn)
da.DeleteCommand = New MySqlCommand("DELETE FROM mytable WHERE id=@id", conn)

da.InsertCommand.Parameters.Add("@id", MySqlDbType.VarChar, 5, "id")
da.InsertCommand.Parameters.Add("@name", MySqlDbType.VarChar, 40, "name")

da.UpdateCommand.Parameters.Add("@id", MySqlDbType.VarChar, 5, "id")
da.UpdateCommand.Parameters.Add("@name", MySqlDbType.VarChar, 40, "name")
da.UpdateCommand.Parameters.Add("@oldId", MySqlDbType.VarChar, 5, "id").SourceVersion = DataRowVersion.Original

da.DeleteCommand.Parameters.Add("@id", MySqlDbType.VarChar, 5, "id").SourceVersion = DataRowVersion.Original
End Sub

No code example is currently available or this language may not be supported.

No code example is currently available or this language may not be supported.

See Also
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