值不能为空。参数名称：controlId [英] Value cannot be null. Parameter name: controlId

问题描述

朋友们，



我正在使用 ajax asyncFileUpload 控制将图像保存到数据库，同时保存图像工作正常，但是从DB中检索图像后如果我再次选择其他图像试图保存它

显示以下异常 OnUploadedComplete 活动。



请建议我解决这个问题。

Hi, Friends,

I am using ajax asyncFileUpload control to save images to database, while saving it is workig fine, but after retrieving the images from DB and if I again select other images trying to save it
is showing the following exception in OnUploadedComplete event.

Please suggest me in resolving this problem.

protected void IDProof1AsyncFileUpload_OnUploadedComplete(object sender, AsyncFileUploadEventArgs e)
Line 133:        {
Line 134:            if (IDProof1AsyncFileUpload.HasFile)
Line 135:            {
Line 136:                string sUploadedPath = "../../Generated_Reports/";

已添加预标签。

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