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问题 I have a C# Windows Application that Stores Employee Data into a MYSQL Database including their picture's file path (\\192.168.13.6\IDPictures\Unknown.jpg). Can someone help me on how to display the picture in a Crystal Reports 10 Report by reading the file path from the database? I can't seem to find the answer. Please Help. 回答1: 1) Read the path. 2) Load the image: byte[] buffer = File.ReadAllBytes(path) 3) Put it into a column of type byte[] in your dataset: row[column] = buffer; 4) In

问题 I have a C# Windows Application that Stores Employee Data into a MYSQL Database including their picture's file path (\\192.168.13.6\IDPictures\Unknown.jpg). Can someone help me on how to display the picture in a Crystal Reports 10 Report by reading the file path from the database? I can't seem to find the answer. Please Help. 回答1: 1) Read the path. 2) Load the image: byte[] buffer = File.ReadAllBytes(path) 3) Put it into a column of type byte[] in your dataset: row[column] = buffer; 4) In

问题 I have got a ImageIcon in a Jlabel in a JFrame (Java GUI). The ImageIcon should get updated based on pressing a Calculate button (i.e. calcButton.addActionListener(new ActionListener() ) with part of the code in the method: icon2 = new ImageIcon("M:\\Repos\\rtrans\\radTransPlot.png"); Plot1.setIcon(icon2); frame.add(Plot1,gc); frame.setVisible(true); The initial ImageIcon (icon1) is blank: public class RadTransGui { private ImageIcon icon1 = new ImageIcon("M:\\Repos\\rtrans\\radTransPlotEmpty

问题 <input id="valR" type="range" min="0" max="100" value="0" step="5" oninput="showVal(this.value)" onchange="showVal(this.value)" /> <span id="range">0</span> <img id="img"> <script> var val = document.getElementById("valR").value; document.getElementById("range").innerHTML=val; document.getElementById("img").src = val + ".jpg"; function showVal(newVal){ document.getElementById("range").innerHTML=newVal; document.getElementById("img").src = newVal+ ".jpg"; } </script> hi people, based on this

问题 Future userPasswordUpdate() async { String passwordU = password.text; String confirmPasswordU = confirmPassword.text; String oldPasswordU = oldPassword.text; var url = 'url'; var response = await http.put(url, headers: { 'Accept': 'application/json' }, body: { "password": passwordU, "confirmPass": confirmPasswordU, "oldpassword": oldPasswordU, } ); I want to post image file to server with this method. But I Don't Know How. Can Anyone Help Me ? 回答1: For the image upload you can also use the

问题 Future userPasswordUpdate() async { String passwordU = password.text; String confirmPasswordU = confirmPassword.text; String oldPasswordU = oldPassword.text; var url = 'url'; var response = await http.put(url, headers: { 'Accept': 'application/json' }, body: { "password": passwordU, "confirmPass": confirmPasswordU, "oldpassword": oldPasswordU, } ); I want to post image file to server with this method. But I Don't Know How. Can Anyone Help Me ? 回答1: For the image upload you can also use the

问题 I'm using visual studio 2013 to create a c# windows application and I'm facing this error. When I'm trying to delete an image that I have been using in a picturebox this error message appears..: System.IO.IOException: The process cannot access the file 'C:\Users\ALI PC\Documents\My Projects\Doctor Clinic\Doctor Clinic\Images\1.jpg' because it is being used by another process. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileStream.Init(String path,

问题 I am trying to learn about run length encoding and I found this challenge online that I cant do. It requires you to write a compression function called compression(strg) that takes a binary string strg of length 64 as input and returns another binary string as output. The output binary string should be a run-length encoding of the input string. compression('1010101001010101101010100101010110101010010101011010101001010101') '1010101001010101*4' Here is what I have, but this does NOT find the

问题 I'm new to SwiftUI. I guess everyone is at this point. I've been an app developer for about 6 years now and I feel stupid asking this question on StackOverflow. But I looked everywhere. How do I center crop an image in an ImageView in SwiftUI? I know there's an option to change the aspect ratio but I only see fit and fill. I just want the imageView to centerCrop(android term) the image. Does anybody know? 回答1: Android's ImageView.ScaleType documentation describes CENTER_CROP as: CENTER_CROP

问题 I need to use the html <img> tag as a background image for a <div> . I will then be placing a <p> of content over this. I've tried this but cant seem to get them to display correctly. I've used position relative, margin with negative values. Any suggestions or point me in the right direction would be appreciated. <div> <img src="http://www.shiaupload.ir/images/77810787432153420049.png" /> <p> Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the