使用 C# 确定输入到文本框中的字符数
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Determine number of characters entered into textbox with C#
提问by John_Dong
Hi I was wanting to display the number of characters entered into a textbox and I want it to update as I type how can I go about this?
嗨，我想显示输入到文本框中的字符数，我希望它在我输入时更新，我该怎么做？
Here is what I have:
这是我所拥有的：
int kk = textBox1.MaxLength;
int jj = //This is what I need to know.
string lol = jj.ToString() + "/" + kk.ToString();
label2.Text = lol;
采纳答案by Jon Skeet
How about
怎么样
int jj = textBox1.Text.Length;
Or am I missing something?
或者我错过了什么？
回答by Stuart Golodetz
The text of the text box will be a string, so it has a Lengthproperty, i.e.:
文本框的文本将是一个字符串，因此它有一个Length属性，即：
textBox1.Text.Length
回答by Mamdouh Emam
you can use the OnTextChanged event of the Textbox on the client side in Javascript and compute the increment from.
您可以在 Javascript 中使用客户端文本框的 OnTextChanged 事件并计算增量。
回答by Kishore Kumar
TextBoxobject.Text.Lengthwill give you the length of textbox value.
TextBoxobject.Text.Length会给你文本框值的长度。
