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Showing content from https://learn.microsoft.com/en-us/dotnet/api/system.data.common.dbdataadapter.insertcommand below:

DbDataAdapter.InsertCommand Property (System.Data.Common) | Microsoft Learn

DbDataAdapter.InsertCommand Property Definition

Gets or sets a command used to insert new records into the data source.

public:
 property System::Data::Common::DbCommand ^ InsertCommand { System::Data::Common::DbCommand ^ get(); void set(System::Data::Common::DbCommand ^ value); };

[System.ComponentModel.Browsable(false)]
public System.Data.Common.DbCommand? InsertCommand { get; set; }

[System.ComponentModel.Browsable(false)]
public System.Data.Common.DbCommand InsertCommand { get; set; }

[<System.ComponentModel.Browsable(false)>]
member this.InsertCommand : System.Data.Common.DbCommand with get, set

Public Property InsertCommand As DbCommand

Property Value

A IDbCommand used during Update(DataSet) to insert records in the data source for new rows in the data set.

Attributes

Examples

The following example creates the derived class OleDbDataAdapter and sets some of its properties.

public static OleDbDataAdapter CreateCustomerAdapter(
    OleDbConnection connection)
{
    OleDbDataAdapter adapter = new OleDbDataAdapter();
    OleDbCommand command;

    // Create the SelectCommand.
    command = new OleDbCommand("SELECT CustomerID FROM Customers " +
        "WHERE Country = ? AND City = ?", connection);

    command.Parameters.Add("Country", OleDbType.VarChar, 15);
    command.Parameters.Add("City", OleDbType.VarChar, 15);

    adapter.SelectCommand = command;

    // Create the InsertCommand.
    command = new OleDbCommand(
        "INSERT INTO Customers (CustomerID, CompanyName) " +
        "VALUES (?, ?)", connection);

    command.Parameters.Add(
        "CustomerID", OleDbType.Char, 5, "CustomerID");
    command.Parameters.Add(
        "CompanyName", OleDbType.VarChar, 40, "CompanyName");

    adapter.InsertCommand = command;
    return adapter;
}

Public Shared Function CreateCustomerAdapter( _
    connection As OleDbConnection) As OleDbDataAdapter 
  
    Dim adapter As New OleDbDataAdapter()
    Dim command As OleDbCommand

    ' Create the SelectCommand.
    command = New OleDbCommand("SELECT CustomerID FROM Customers " & _
        "WHERE Country = ? AND City = ?", connection)

    command.Parameters.Add("Country", OleDbType.VarChar, 15)
    command.Parameters.Add("City", OleDbType.VarChar, 15)

    adapter.SelectCommand = command

    ' Create the InsertCommand.
    command = New OleDbCommand( _
        "INSERT INTO Customers (CustomerID, CompanyName) " & _
        "VALUES (?, ?)", connection)

    command.Parameters.Add( _
        "CustomerID", OleDbType.Char, 5, "CustomerID")
    command.Parameters.Add( _
        "CompanyName", OleDbType.VarChar, 40, "CompanyName")

    adapter.InsertCommand = command
    Return adapter
End Function

Remarks

During Update, if this property is not set and primary key information is present in the DataSet, the InsertCommand will be automatically generated.