#region 截取字符串 /// <summary> /// 截取字符串 /// </summary> /// <param name="str_value"></param> /// <param name="str_len"></param> /// <returns></returns> public static string leftx(string str_value, int str_len) { int p_num = 0; int i; string New_Str_value = ""; if (str_value == "") { New_Str_value = ""; } else { int Len_Num = str_value.Length; for (i = 0; i <= Len_Num - 1; i++) { if (i > Len_Num) break; char c = Convert.ToChar(str_value.Substring(i, 1)); if (((int)c > 255) || ((int)c < 0)) p_num = p_num + 2; else p_num = p_num + 1; if (p_num >= str_len) { New_Str_value = str_value.Substring(0, i + 1); break; } else { New_Str_value = str_value; } } } return New_Str_value; } #endregion

<%# UserInfo.DAL.SqlHelper.leftx(DataBinder.Eval(Container.DataItem,"Title").ToString(),20) %>