Question

我需要使用C＃在Access 2000数据库中插入记录。代码在SqlConnection上失败。请帮忙。

        string connectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Trading.mdb";
        string commandText = "INSERT INTO Order (OpenDate) VALUES (@OpenDate)";

        using (SqlConnection connection = new SqlConnection(connectionString))
        {
            SqlCommand command = new SqlCommand(commandText, connection);
            command.Parameters.AddWithValue("@OpenDate", DateTime.Now);

            try
            {
                command.Connection.Open();
                int response = command.ExecuteNonQuery();
            }
            catch (Exception ex)
            {
                MessageBox.Show("Error: {0}" + ex.Message);
            }
        }

Answer 1

问题：您正在使用MS-Access数据库，但使用的是SqlServer对象。

解决方案：您需要使用OleDbConnection对象而不是SqlConnection和OleDbCommand代替SqlCommand

试试这个：

    string connectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Trading.mdb";
    string commandText = "INSERT INTO Order (OpenDate) VALUES (?)";

    using (OleDbConnection connection = new OleDbConnection(connectionString))
    {
        OleDbCommand command = new OleDbCommand(commandText, connection);
        command.Parameters.AddWithValue("@OpenDate", DateTime.Now);

        try
        {
            command.Connection.Open();
            int response = command.ExecuteNonQuery();
        }
        catch (Exception ex)
        {
            MessageBox.Show("Error: {0}" + ex.Message);
        }
    }

Answer 2

您需要OleDbConnection而不是SqlConnection用于SQL Server。

请参阅：Walkthrough: Editing an Access Database with ADO.NET

还：How to: Create Connections to Access Databases

在C＃中将记录插入Access 2000数据库

2 个答案: