WinFrom 上传图片的控件叫什么名字? 忘了

Question

WinFrom 上传图片的控件叫什么名字? 忘记了.

Answer 1

不好意思，这个是做网站时用的，不是winform

Answer 2

转载（泳桦的博客）winfrom的上传图片
现在只需要button，textbox,pictureBox1。代码：按扭事件   private void button1_Click(object sender, EventArgs e)
        {
            
            OpenFileDialog dag = new OpenFileDialog();
            if (dag.ShowDialog() == DialogResult.OK)
            {
                fname = dag.FileName;
                textBox1.Text = fname;
                WritImage(fname);
                ReadImage();            }
        }//WritImage类//向数据库写图片 private void WritImage(string fname)
        {            System.Data.SqlClient.SqlConnection conn1 = new SqlConnection("server=.;database=QYgusnli;user );//首先删除
            System.Data.SqlClient.SqlCommand cmd1 = new SqlCommand("delete from imgtable where userpecode = @usercode", conn1);
            System.Data.SqlClient.SqlParameter userde = new SqlParameter("@usercode", Ren_flex.Rows[0][1]);
            cmd1.Parameters.Add(userde);
            conn1.Open();
            try
            {
                cmd1.ExecuteNonQuery();
               
            }
            catch (System.Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }            //添加图片（存储过程） System.Data.SqlClient.SqlConnection conn = new SqlConnection("server=.;database=QYgusnli;user );
            System.Data.SqlClient.SqlCommand cmd = new SqlCommand("insert imgtable(userpecode,companycode,imageName,Image) values(@userpercode,@companycode,@name,@data)", conn);
            System.Data.SqlClient.SqlParameter pm = new SqlParameter("@name", System.Data.SqlDbType.VarChar, 200);
            pm.Value = fname;
            System.Data.SqlClient.SqlParameter pm1 = new SqlParameter("@data", System.Data.SqlDbType.Image);
            System.Data.SqlClient.SqlParameter usercode = new SqlParameter("@userpercode", Ren_flex.Rows[0][1]);
            System.Data.SqlClient.SqlParameter companycode = new SqlParameter("@companycode", comcode); //上传图片的路径
            System.IO.FileStream fs = new System.IO.FileStream(fname, System.IO.FileMode.Open);
            int len = (int)fs.Length;
            System.Byte[] fileData = new byte[len];
            fs.Read(fileData, 0, len);
            fs.Close();
            pm1.Value = fileData;
            cmd.Parameters.Add(pm);
            cmd.Parameters.Add(pm1);
            cmd.Parameters.Add(usercode);
            cmd.Parameters.Add(companycode);
            conn.Open();
            try
            {
                cmd.ExecuteNonQuery();
                MessageBox.Show("Save Picture to database succeed");
            }
            catch (System.Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        } //ReadImage//从数据库中读出图片
        private void ReadImage()
        {
            System.Data.SqlClient.SqlConnection conn = new SqlConnection("server=。;database=QYgusnli;user );
            System.Data.SqlClient.SqlCommand cmd = new SqlCommand("select * from imgtable where userpecode=@usercode and  companycode=@com", conn);
            SqlParameter userID = new SqlParameter("@usercode", personCode);
            SqlParameter company = new SqlParameter("@com", comcode);
            cmd.Parameters.Add(userID);
            cmd.Parameters.Add(company);
            conn.Open();
            System.Data.SqlClient.SqlDataReader dr;
            try
            {
                dr = cmd.ExecuteReader();
                while (dr.Read())
                {
                    System.Data.SqlTypes.SqlBinary sb = dr.GetSqlBinary(4);
                    System.IO.MemoryStream stm = new System.IO.MemoryStream(sb.Value);
                    System.Drawing.Bitmap bmp = new Bitmap(Bitmap.FromStream(stm));
                    this.pictureBox1.Image = bmp;
                }
                dr.Close();
            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
            finally
            {
                conn.Close();
            }        }

Answer 3

winform上传图片还可以用FTP的方式先设置FTP站点，然后上传图片，
当然4楼的是直接把图片以2进制流的方式存入数据库的