ananth2012

要清除一个错误不正确的语法附近＃39;＃39;在Windows应用程序:我有'='附近的语法不正确的错误，在给定的编码。请纠正该错误

private void listBox1_SelectedIndexChanged(object sender, EventArgs e)

       {

 

           cmd = new SqlCommand(" select * from imagedemo where='"+listBox1.SelectedItem.ToString()+"'", con);

           con.Open();

           SqlDataReader dr;

           try

           {

               dr = cmd.ExecuteReader();

               if (dr.Read())

               {

                   byte[] picture = (byte[])dr["imgimage"];

                   ms = new MemoryStream(picture);

                   ms.Seek(0, SeekOrigin.Begin);

                   pictureBox1.Image = Image.FromStream(ms);

 

               }

 

           }

           catch (Exception ex)

           {

               MessageBox.Show(ex.Message);

           }

           finally

           {

               con.Close();

           }

       }