textbox

问题 Context I would like to have a footer under my grid to show some stats about the datas. Such as Sum of some columns and average of some other. Half solutions I've found I've found two things intersting to help me do this, binding the databox to a bindingSource, BUT it's only the selected line that is shown into the textBox... myTextBox.DataBindings.add("Text", myGrid.DataSource,"Weight") And getting the Sum of a column in the grid, BUT it doesn't update if I change the grid :S myTextBox.Text

问题 Can I do something like this with pure html and if needed css and javascript: And when the mouse focuses, it becomes like this: So I was thinking of an image placeholder. Am I on the right track, or is there a better/more simpler or more straightforward method? EDIT: Just out of pure curiosity, how would I accomplish this using JavaScript, as all the current answers are all CSS-related? 回答1: If you only need to support the latest Browser use this: HTML: <input placeholder="Google Custom

问题 In C#, what is a good way to direct console output to Text-box in Windows Form? If I have an existing program that has console.WriteLine , do I need to overload the function in Windows Form Text-box? 回答1: Create a text writer which writes to a text box: public class TextBoxWriter : TextWriter { TextBox _output = null; public TextBoxWriter (TextBox output) { _output = output; } public override void Write(char value) { base.Write(value); _output.AppendText(value.ToString()); } public override

问题 In C#, what is a good way to direct console output to Text-box in Windows Form? If I have an existing program that has console.WriteLine , do I need to overload the function in Windows Form Text-box? 回答1: Create a text writer which writes to a text box: public class TextBoxWriter : TextWriter { TextBox _output = null; public TextBoxWriter (TextBox output) { _output = output; } public override void Write(char value) { base.Write(value); _output.AppendText(value.ToString()); } public override

问题 This question already has answers here : Watermark TextBox in WinForms (10 answers) Closed 2 years ago . I'm working on a Windows Forms application in VB.NET and I am currently making a login screen using labels and TextBoxes. What I need is the Placeholder in TextBox controls you can see below ↓ (not mine obviously) Is there any property in TextBox that allows me to set the default placeholder (placeholder, watermark, hint, tip) to what I want it to be? If there is not any, how can i solve

问题 This question already has answers here : Watermark TextBox in WinForms (10 answers) Closed 2 years ago . I'm working on a Windows Forms application in VB.NET and I am currently making a login screen using labels and TextBoxes. What I need is the Placeholder in TextBox controls you can see below ↓ (not mine obviously) Is there any property in TextBox that allows me to set the default placeholder (placeholder, watermark, hint, tip) to what I want it to be? If there is not any, how can i solve

问题 This question already has answers here : Watermark TextBox in WinForms (10 answers) Closed 2 years ago . I'm working on a Windows Forms application in VB.NET and I am currently making a login screen using labels and TextBoxes. What I need is the Placeholder in TextBox controls you can see below ↓ (not mine obviously) Is there any property in TextBox that allows me to set the default placeholder (placeholder, watermark, hint, tip) to what I want it to be? If there is not any, how can i solve

问题 I have a combo box with 5 different options, "one player", "two players", "three players" etc. My requirement is when user select something from combo box their equivalent text boxes should become visible i.e. if "one player" get selected, one text box should appear so user can enter the value. Same for two and three. Please suggest. 回答1: Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged If ComboBox1

问题 Dim VoucherOpenConnection As New OleDbConnection ' VoucherOpenConnection = New OleDbConnection VoucherOpenConnection.ConnectionString = "My Connection String" Dim VoucherString As String = "My Query" Dim DAVoucherString As New OleDbDataAdapter(VoucherString, VoucherOpenConnection) Dim DTVoucherString As New DataTable DAVoucherString.Fill(DTVoucherString) If DTVoucherString.Rows.Count <> 0 Then cmbCategory.Text = DTVoucherString.Rows(0).Item(8).ToString txtDetails.Text = DTVoucherString.Rows(0

问题 Dim VoucherOpenConnection As New OleDbConnection ' VoucherOpenConnection = New OleDbConnection VoucherOpenConnection.ConnectionString = "My Connection String" Dim VoucherString As String = "My Query" Dim DAVoucherString As New OleDbDataAdapter(VoucherString, VoucherOpenConnection) Dim DTVoucherString As New DataTable DAVoucherString.Fill(DTVoucherString) If DTVoucherString.Rows.Count <> 0 Then cmbCategory.Text = DTVoucherString.Rows(0).Item(8).ToString txtDetails.Text = DTVoucherString.Rows(0