private void ReplaceImage()
{
string imgName = this.brandModel.BrandId + "1" + Path.GetExtension(this.tbImage.Text);
var contentBytes = File.ReadAllBytes(this.tbImage.Text);
string imgContent = Convert.ToBase64String(contentBytes);
var replaceRes = WebRequestUtil.ReplaceBrandImg(this.previousImg, imgName, imgContent);
if (replaceRes != null)
{
LogUtil.Info("AddUpdateBrandFrm.ReplaceImage successfully!");
}
else
{
LogUtil.Error("AddUpdateBrandFrm.ReplaceImage failed!replaceRes is null!");
}
}