html - add alt text to img tag from c# code behind -


i'm trying add alt text <img> tag in c# behind, have no idea so.

here aspx code:

<img id="detailsimage" runat="server" alt="" class="detailsimage" />

in aspx.cs

detailsimage.src = dsarticledetails.tables[0].rows[0]["imageurl"].tostring();

any appreciated.

for purpose should use alt property.

detailsimage.alt = "my alternate text"

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