Far*_*man 5 c# database winforms
我试图从C#winform在我的访问数据库中插入一个图像.我使用以下代码:
private void button1_Click(object sender, EventArgs e)
{
OleDbConnection con = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\db1.mdb");
OleDbCommand cmd = con.CreateCommand();
cmd.CommandText = "INSERT INTO Table1 (Product, Manufacturer, Description, Price, Image) VALUES ('Column1', 'Column2', 'Column3', 'Column4', @img)";
byte[] yourPhoto = imageToByteArray(pictureBox1.Image);
cmd.Parameters.AddWithValue("@img", yourPhoto);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
}
public byte[] imageToByteArray(System.Drawing.Image iImage)
{
MemoryStream mMemoryStream = new MemoryStream();
iImage.Save(mMemoryStream, System.Drawing.Imaging.ImageFormat.Png);
return mMemoryStream.ToArray();
}
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当我运行代码时,它向我显示一个错误:Syntax error in INSERT INTO statement.
我的代码中有什么问题?我可以使用相同的查询成功地将文本插入到数据库的字段中.