我是新来的。最近我被老板命令从Winforms应用程序创建SQL Server数据库。我试图以编程方式创建数据库。但每次我收到错误消息。如何从C#以编程方式创建SQL Server数据库文件(.mdf)?
是否有可能创建一个SQL Server数据库文件(.mdf
)编程?
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace mdf_creator
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnCreateDatabase_Click(object sender, EventArgs e)
{
String str;
SqlConnection myConn = new SqlConnection("Data Source =(LocalDB)\\MSSQLLocalDB; Integrated security =SSPI;database=master");
str = "CREATE DATABASE ss ON PRIMARY " +
"(NAME = ss_Data, " +
"FILENAME = 'D:\\ss.mdf', " +
"SIZE = 3MB, MAXSIZE = 10MB, FILEGROWTH = 10%) " +
"LOG ON (NAME = ss_Log, " +
"FILENAME = 'D:\\ss.ldf', " +
"SIZE = 1MB, " +
"MAXSIZE = 5MB, " +
"FILEGROWTH = 10%)";
SqlCommand myCommand = new SqlCommand(str, myConn);
try
{
myConn.Open();
myCommand.ExecuteNonQuery();
MessageBox.Show("DataBase is Created Successfully", "MyProgram", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (System.Exception ex)
{
MessageBox.Show(ex.ToString(), "MyProgram",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
finally
{
if (myConn.State == ConnectionState.Open)
{
myConn.Close();
}
}
}
}
问题在哪里我的代码?
访问被拒绝是非常有帮助的。您无权在尝试创建文件的位置创建文件。 – LarsTech
我发表了这个评论作为答案,所以请参考 – Justin
我也使用了另一个位置。但它显示了同样的错误。 –