如何在运行时卸载或清空图片框? [英] How can unload or empty picture box at run time?
问题描述
我在按钮单击事件中使用clear()方法,将数据保存到数据库中后,clear()方法将自动调用.clear()方法包含以下代码.
I use a clear() method in button click event, after save a data in a database the clear() method will call automatically.The clear() method contains the following codes.
txtName.Text = "";
txtAddress.Text = "";
txtPhoneNo.Text = "";
cmbQualification.SelectedIndex = 0;
cmbStream.SelectedIndex = 0;
cmbJobType.SelectedIndex = 0;
dtpDtaeofApply.Value = DateTime.Now;
cmbLocation.SelectedIndex = 0;
cmbSubLocationInd.SelectedIndex = 0;
cmbSubLocationFgn.SelectedIndex = 0;
txtPassPortNo.Text = "";
txtAmount.Text = "";
txtCharge.Text = "";
现在我的问题是,在我的按钮单击事件中,我在图片框中添加图像,保存到数据库中后,将调用clear()方法.那时,该图片框应为unload(empty).如何做到这一点?请帮助我.
我从你那里得到了答案,
picturebox1.image = null;
这行不是从图片框中卸载图像..请帮助..
谢谢,
Viswanathan.M
Now my question is, In my button click event , i add image in picture box, after saved in a database, the clear() method will call.At that time, that picture box should be unload(empty).How can do this? Kindly help me..
I got answer from you like this,
picturebox1.image=null;
This line is not unload the image from picture box..Kindly help..
Thanks,
Viswanathan.M
推荐答案
将控件中的图像设置为空
Set the image in the control to null
尝试一下.
Try this.
PictureBox1.Image.Dispose();
PictureBox1.Image = null
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