小编Sai*_*ath的帖子

访问路径"C:\ Users\xxx\Desktop"被拒绝

我已经彻底搜索了整个访问被拒绝的问题,并且没有找到任何与我自己的系统上访问Windows窗体相关的问题,所有问题都与Web应用程序有关.

public partial class Form2 : Form
{
    public Form2()
    {
        InitializeComponent();
    }
    private void button1_Click(object sender, EventArgs e)
    {
        byte[] imgdata;
        FileStream fsrw;
        string fname;
        openFileDialog1.Filter = "Sai Files(*.JPG;*.GIF)|*.jpg;*.gif|All files (*.*)|*.*";
        openFileDialog1.ShowDialog();//opens the dialog box
        fname = openFileDialog1.FileName;//stores the file name in fname
        pictureBox1.ImageLocation = fname;//gives the image location to picturebox
        fsrw = new FileStream("C:\\Users\\Sainath\\Desktop", FileMode.Open, FileAccess.ReadWrite);
        imgdata = new byte[fsrw.Length];
        fsrw.Read(imgdata, 0, Convert.ToInt32(fsrw.Length));
        fsrw.Close();
        string s = "insert into imagetest values(@p1,@p2)";
        SqlConnection con = new SqlConnection("server=.;Data Source=.;Initial Catalog=Work;Integrated …

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c# permissions access-denied winforms

Sai*_*ath

2019 08-15

27
推荐指数

3
解决办法

8万
查看次数

Chrome扩展弹出窗口无效,点击事件无法处理

我创建了一个JavaScript变量,当我点击按钮时它应该增加1,但它没有发生.

这是manifest.json.

{
  "name":"Facebook",
  "version":"1.0",
  "description":"My Facebook Profile",
  "manifest_version":2,
  "browser_action":{
    "default_icon":"google-plus-red-128.png",
    "default_popup":"hello.html"
  }
}

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这是html页面的代码

<!DOCTYPE html>
<html>
<head>
<script>
var a=0;
function count()
{
  a++;
  document.getElementById("demo").innerHTML=a;
  return a;
}
</script>
</head>
<body>
<p id="demo">=a</p>
<button type="button" onclick="count()">Count</button>
</body>
</html>

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我希望扩展程序向我显示a的值,并在每次单击扩展名或按钮时将其递增1

扩展的图片