MySqlDataAdapter Constructor (String, String)

MySQL Connector/Net

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MySqlDataAdapter Constructor (String, String)
Initializes a new instance of the MySqlDataAdapter class with a SelectCommand and a connection string.

Namespace: MySql.Data.MySqlClient
Assembly: MySql.Data (in MySql.Data.dll) Version: 6.9.9
Syntax
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public MySqlDataAdapter(
	string selectCommandText,
	string selectConnString
)
Public Sub New ( 
	selectCommandText As String,
	selectConnString As String
)
public:
MySqlDataAdapter(
	String^ selectCommandText, 
	String^ selectConnString
)
new : 
        selectCommandText : string * 
        selectConnString : string -> MySqlDataAdapter

Parameters

selectCommandText
Type: SystemString
A String that is a SQL SELECT statement or stored procedure to be used by the SelectCommand property of the MySqlDataAdapter.
selectConnString
Type: SystemString
The connection string
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()
{
MySqlDataAdapter da = new MySqlDataAdapter("SELECT id, name FROM mytable", "Data Source=localhost;database=test");
MySqlConnection conn = da.SelectCommand.Connection;
da.MissingSchemaAction = MissingSchemaAction.AddWithKey;

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 da As MySqlDataAdapter = New MySqlDataAdapter("SELECT id, name FROM mytable", "Data Source=localhost;database=test")
Dim conn As MySqlConnection = da.SelectCommand.Connection
da.MissingSchemaAction = MissingSchemaAction.AddWithKey

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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