我試圖讓我的文件流讀取用戶選擇的任何文本文件。文件路徑將在他們選擇后出現在文本框中。我想使用這個文件路徑，以便我的 streamreader 知道要讀取什么文件。"流 fileStream = FilePath.Text;" 不管用。public void ValidateButton_Click(object sender, EventArgs e) { { List<string> temp = new List<string>(); string[] finalArray; Stream fileStream = FilePath.Text; using (StreamReader reader = new StreamReader(fileStream)) { // We read the file then we split it. string lines = reader.ReadToEnd(); string[] splittedArray = lines.Split(','); // We will check here if any of the strings is empty (or just whitespace). foreach (string currentString in splittedArray) { if (currentString.Trim() != "") { // If the string is not empty then we add to our temporary list. temp.Add(currentString); } } // We have our splitted strings in temp List. // If you need an array instead of List, you can use ToArray(). finalArray = temp.ToArray(); }}我得到錯誤無法將字符串轉換為 system.io。如何讓流閱讀器從“文件路徑”文本框中讀取所選文件
2 回答
子衿沉夜
TA貢獻1828條經驗 獲得超3個贊
FilePath.Text返回一個字符串，它是驅動器上文件的位置
下面的代碼可以工作
using (StreamReader reader = new StreamReader(FilePath.Text))
{
// We read the file then we split it.
string lines = reader.ReadToEnd();
string[] splittedArray = lines.Split(',');
// We will check here if any of the strings is empty (or just whitespace).
foreach (string currentString in splittedArray)
{
if (currentString.Trim() != "")
{
// If the string is not empty then we add to our temporary list.
temp.Add(currentString);
}
}
// We have our splitted strings in temp List.
// If you need an array instead of List, you can use ToArray().
finalArray = temp.ToArray();
}
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