How to make fuction download file .pdf, . jpg, etc. base on checkbox selected?

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Can you help me, how to make function download file base selected checkbox in gridview?

If is select one checkbox and i press button download so i will download one file base checkbox selected, and if i select two checkbox and press button download, i will download two file base checkbox selected.

Help me please, thankyou.

Posted 28-Feb-15 16:31pm

Member 10889447

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Afzaal Ahmad Zeeshan 28-Feb-15 23:35pm

What actually have you done until now? I believe this program can be easily created using a simple loop over checkboxes, and where condition is true (selected) you should download the image (file).

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George Jonsson · Answer 1 · 2015-02-28T18:43:00

You can do something like the code below. It works well if you have a lot of check boxes that can easily be distinguished via the Text or Tag properties.

C#

private void buttonDownload_Click(object sender, EventArgs e)
{
    foreach (Control ctrl in this.Controls) // this = the form
    {
        CheckBox chk = (ctrl as CheckBox);  // Only care about checkbox controls
        if (chk != null)
        {
            if (chk.Checked)
            {
                string text = chk.Text;     // Can be used to select download action
                // Do your stuff
            }
        }
    }
}

As I don't know what you want to download or how your check boxes look like, I cannot give a more specific solution.