无法将字符串转换为char

tki*_*ing 3 .net c# asp.net .net-4.0

昨晚我在这里获得了一些关于获得集合索引的帮助.这是我正在使用的代码.

            System.Text.StringBuilder sb = new System.Text.StringBuilder();

            for (int i = 1; i < _prod.ActiveProductItemCollection.Count; i++)
            {

                sb.Append("<script type='text/javascript'>");
                sb.Append("mboxCreate(\"product_productpage_rec{0}\")", i);
                sb.Append("\"entity.id=" + _prodID + "\",");
                sb.Append("\"entity.categoryId=" + _categoryID + "\",");
                sb.Append("\"entity.name=" + _prod.ActiveProductItemCollection[i].Title + "\",");
                sb.Append("\"entity.pageURL=" + Request.Url.ToString() + "\",");
                //The following value has been taken from the productImageControl code behind.
                //Might have to refactor in future as a property of the image control.
                string filename = AppSettingsManager.Current.ProductImagePathLarge + _prod.ActiveProductItemCollection[i].Sku
                    + AppSettingsManager.Current.ProductImageExtension;
                sb.Append("\"entity.thumbnailURL=" + filename + "\",");
                sb.Append("\"entity.inventory=" + _prod.ActiveProductItemCollection.Count + "\",");
                sb.Append("\"entity.value=" + _prod.ActiveProductItemCollection[i].ActualPrice + "\",");
                sb.Append("\"entity.ProductItemID=" + _prod.ActiveProductItemCollection[i].Sku + "\",");
                sb.Append("\"entity.addToCartImg=~/Images/Buttons/btn_AddToCartFlat.gif\");<");
                //The last line has to be /script. < inserted on prev line. do not change it or bad things will happen.            
                sb.Append("/script>");
            }
            this.LiteralMBoxScript.Text = sb.ToString();
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我想要做的是在productpage_rec之后获取集合中项目的索引.

因此,例如,第一个产品会产生类似的

mboxCreate( "product_productpage_rec1"

等等,对于集合中的每个产品.当我尝试构建时,我得到以下错误:

"无法从字符串转换为字符"

它在product_productpage_rec {0}上绊倒了

我错过了什么?

提前致谢.

Ste*_*end 6

  sb.AppendFormat("mboxCreate(\"product_productpage_rec{0}\")", i);
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应该管用