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List #12907

Description

@pauliska3k3k3-beep

Type of issue

Code doesn't work

Description

Console.WriteLine(”{0} is not a valid date.”, e.Value.ToString());
}
}
}
}
}

private void addNewRowButton_Click(object sender, EventArgs e)
{
    this.songsDataGridView.Rows.Add();
}

private void deleteRowButton_Click(object sender, EventArgs e)
{
    if (this.songsDataGridView.SelectedRows.Count > 0 &&
        this.songsDataGridView.SelectedRows[0].Index !=
        this.songsDataGridView.Rows.Count - 1)
    {
        this.songsDataGridView.Rows.RemoveAt(
            this.songsDataGridView.SelectedRows[0].Index);
    }
}

private void SetupLayout()
{
    this.Size = new Size(600, 500);

    addNewRowButton.Text = “Add Row”;
    addNewRowButton.Location = new Point(10, 10);
    addNewRowButton.Click += new EventHandler(addNewRowButton_Click);

    using System;

using System.Windows;
using System.IO;
using System.Text;

namespace WpfApplication
{
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}

    private async void Button_Click_1(object sender, RoutedEventArgs e)
    {
        string filename = @”C:\Example\existingfile.txt”;
        char[] result;
        StringBuilder builder = new StringBuilder();

        using (StreamReader reader = File.OpenText(filename))
        {
            result = new char[reader.BaseStream.Length];
            await reader.ReadAsync(result, 0, (int)reader.BaseStream.Length);
        }

        foreach (char c in result)
        {
            if (char.IsLetterOrDigit(c) || char.IsWhiteSpace(c))
            {
                builder.Append(c);
            }
        }
        FileOutput.Text = builder.ToString();
    }
}

}
object System.Collections.IEnumerator.Current { get; }

deleteRowButton.Text = “Delete Row”;
deleteRowButton.Location = new Point(100, 10);
deleteRowButton.Click += new EventHandler(deleteRowButton_Click);

    buttonPanel.Controls.Add(addNewRowButton);
    buttonPanel.Controls.Add(deleteRowButton);
    buttonPanel.Height = 50;
    buttonPanel.Dock = DockStyle.Bottom;

    this.Controls.Add(this.buttonPanel);
}

private void SetupDataGridView()
{
    this.Controls.Add(songsDataGridView);

    songsDataGridView.ColumnCount = 5;

    songsDataGridView.ColumnHeadersDefaultCellStyle.BackColor = Color.Navy;
    songsDataGridView.ColumnHeadersDefaultCellStyle.ForeColor = Color.White;
    songsDataGridView.ColumnHeadersDefaultCellStyle.Font =
        new Font(songsDataGridView.Font, FontStyle.Bold);

    songsDataGridView.Name = “songsDataGridView”;
    songsDataGridView.Location = new Point(8, 8);
    songsDataGridView.Size = new Size(500, 250);
    songsDataGridView.AutoSizeRowsMode =
        DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders;
    songsDataGridView.ColumnHeadersBorderStyle =
        DataGridViewHeaderBorderStyle.Single;
    songsDataGridView.CellBorderStyle = DataGridViewCellBorderStyle.Single;
    songsDataGridView.GridColor = Color.Black;
    songsDataGridView.RowHeadersVisible = false;

    songsDataGridView.Columns[0].Name = “Release Date”;
    songsDataGridView.Columns[1].Name = “Track”;
    songsDataGridView.Columns[2].Name = “Title”;
    songsDataGridView.Columns[3].Name = “Artist”;
    songsDataGridView.Columns[4].Name = “Album”;
    songsDataGridView.Columns[4].DefaultCellStyle.Font =
        new Font(songsDataGridView.DefaultCellStyle.Font, FontStyle.Italic);

    songsDataGridView.SelectionMode =
        DataGridViewSelectionMode.FullRowSelect;
    songsDataGridView.MultiSelect = false;
    songsDataGridView.Dock = DockStyle.Fill;

    songsDataGridView.CellFormatting += new
        DataGridViewCellFormattingEventHandler(
        songsDataGridView_CellFormatting);
}

private void PopulateDataGridView()
{

    string[] row0 = { “11/22/1968”, “29”, “Revolution 9”, 
        “Beatles”, “The Beatles [White Album]” };
    string[] row1 = { “1960”, “6”, “Fools Rush In”, 
        “Frank Sinatra”, “Nice ‘N’ Easy” };
    string[] row2 = { “11/11/1971”, “1”, “One of These Days”, 
        “Pink Floyd”, “Meddle” };
    string[] row3 = { “1988”, “7”, “Where Is My Mind?”, 
        “Pixies”, “Surfer Rosa” };
    string[] row4 = { “5/1981”, “9”, “Can’t Find My Mind”, 
        “Cramps”, “Psychedelic Jungle” };
    string[] row5 = { “6/10/2003”, “13”, 
        “Scatterbrain. (As Dead As Leaves.)”, 
        “Radiohead”, “Hail to the Thief” };
    string[] row6 = { “6/30/1992”, “3”, “Dress”, “P J Harvey”, “Dry” };

    songsDataGridView.Rows.Add(row0);
    songsDataGridView.Rows.Add(row1);
    songsDataGridView.Rows.Add(row2);
    songsDataGridView.Rows.Add(row3);
    songsDataGridView.Rows.Add(row4);
    songsDataGridView.Rows.Add(row5);
    songsDataGridView.Rows.Add(row6);

    songsDataGridView.Columns[0].DisplayIndex = 3;
    songsDataGridView.Columns[1].DisplayIndex = 4;
    songsDataGridView.Columns[2].DisplayIndex = 0;
    songsDataGridView.Columns[3].DisplayIndex = 1;
    songsDataGridView.Columns[4].DisplayIndex = 2;
}


[STAThreadAttribute()]
static void Main()
{
    Application.EnableVisualStyles();
    Application.Run(new Form1());
}

}public string DataMember { get; set; }

@Override
public short getShort(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.shortValue();
}

@Override
public int getInt(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.intValue();
}

@Override
public long getLong(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.longValue();
}

@Override
public float getFloat(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.floatValue();
}

@Override
public double getDouble(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.doubleValue();
}

@Override
public boolean isNull(int columnIndex) {
    return mRows[mPos].get(columnIndex) == null;
}

}# Source - https://stackoverflow.com/q/418280

Posted by Greg Hewgill, modified by community. See post 'Timeline' for change history

Retrieved 2026-07-26, License - CC BY-SA 3.0

... | cat -b | sort -rn | cut -f2-# Source - https://stackoverflow.com/q/418280

Posted by Greg Hewgill, modified by community. See post ‘Timeline’ for change history

Retrieved 2026-07-26, License - CC BY-SA 3.0

... | cat -b | sort -rn | cut -f2-

Console.WriteLine(”{0} is not a valid date.”, e.Value.ToString());
}
}
}
}
}

private void addNewRowButton_Click(object sender, EventArgs e)
{
    this.songsDataGridView.Rows.Add();
}

private void deleteRowButton_Click(object sender, EventArgs e)
{
    if (this.songsDataGridView.SelectedRows.Count > 0 &&
        this.songsDataGridView.SelectedRows[0].Index !=
        this.songsDataGridView.Rows.Count - 1)
    {
        this.songsDataGridView.Rows.RemoveAt(
            this.songsDataGridView.SelectedRows[0].Index);
    }
}

private void SetupLayout()
{
    this.Size = new Size(600, 500);

    addNewRowButton.Text = “Add Row”;
    addNewRowButton.Location = new Point(10, 10);
    addNewRowButton.Click += new EventHandler(addNewRowButton_Click);

    using System;

using System.Windows;
using System.IO;
using System.Text;

namespace WpfApplication
{
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}

    private async void Button_Click_1(object sender, RoutedEventArgs e)
    {
        string filename = @”C:\Example\existingfile.txt”;
        char[] result;
        StringBuilder builder = new StringBuilder();

        using (StreamReader reader = File.OpenText(filename))
        {
            result = new char[reader.BaseStream.Length];
            await reader.ReadAsync(result, 0, (int)reader.BaseStream.Length);
        }

        foreach (char c in result)
        {
            if (char.IsLetterOrDigit(c) || char.IsWhiteSpace(c))
            {
                builder.Append(c);
            }
        }
        FileOutput.Text = builder.ToString();
    }
}

}
object System.Collections.IEnumerator.Current { get; }

deleteRowButton.Text = “Delete Row”;
deleteRowButton.Location = new Point(100, 10);
deleteRowButton.Click += new EventHandler(deleteRowButton_Click);

    buttonPanel.Controls.Add(addNewRowButton);
    buttonPanel.Controls.Add(deleteRowButton);
    buttonPanel.Height = 50;
    buttonPanel.Dock = DockStyle.Bottom;

    this.Controls.Add(this.buttonPanel);
}

private void SetupDataGridView()
{
    this.Controls.Add(songsDataGridView);

    songsDataGridView.ColumnCount = 5;

    songsDataGridView.ColumnHeadersDefaultCellStyle.BackColor = Color.Navy;
    songsDataGridView.ColumnHeadersDefaultCellStyle.ForeColor = Color.White;
    songsDataGridView.ColumnHeadersDefaultCellStyle.Font =
        new Font(songsDataGridView.Font, FontStyle.Bold);

    songsDataGridView.Name = “songsDataGridView”;
    songsDataGridView.Location = new Point(8, 8);
    songsDataGridView.Size = new Size(500, 250);
    songsDataGridView.AutoSizeRowsMode =
        DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders;
    songsDataGridView.ColumnHeadersBorderStyle =
        DataGridViewHeaderBorderStyle.Single;
    songsDataGridView.CellBorderStyle = DataGridViewCellBorderStyle.Single;
    songsDataGridView.GridColor = Color.Black;
    songsDataGridView.RowHeadersVisible = false;

    songsDataGridView.Columns[0].Name = “Release Date”;
    songsDataGridView.Columns[1].Name = “Track”;
    songsDataGridView.Columns[2].Name = “Title”;
    songsDataGridView.Columns[3].Name = “Artist”;
    songsDataGridView.Columns[4].Name = “Album”;
    songsDataGridView.Columns[4].DefaultCellStyle.Font =
        new Font(songsDataGridView.DefaultCellStyle.Font, FontStyle.Italic);

    songsDataGridView.SelectionMode =
        DataGridViewSelectionMode.FullRowSelect;
    songsDataGridView.MultiSelect = false;
    songsDataGridView.Dock = DockStyle.Fill;

    songsDataGridView.CellFormatting += new
        DataGridViewCellFormattingEventHandler(
        songsDataGridView_CellFormatting);
}

private void PopulateDataGridView()
{

    string[] row0 = { “11/22/1968”, “29”, “Revolution 9”, 
        “Beatles”, “The Beatles [White Album]” };
    string[] row1 = { “1960”, “6”, “Fools Rush In”, 
        “Frank Sinatra”, “Nice ‘N’ Easy” };
    string[] row2 = { “11/11/1971”, “1”, “One of These Days”, 
        “Pink Floyd”, “Meddle” };
    string[] row3 = { “1988”, “7”, “Where Is My Mind?”, 
        “Pixies”, “Surfer Rosa” };
    string[] row4 = { “5/1981”, “9”, “Can’t Find My Mind”, 
        “Cramps”, “Psychedelic Jungle” };
    string[] row5 = { “6/10/2003”, “13”, 
        “Scatterbrain. (As Dead As Leaves.)”, 
        “Radiohead”, “Hail to the Thief” };
    string[] row6 = { “6/30/1992”, “3”, “Dress”, “P J Harvey”, “Dry” };

    songsDataGridView.Rows.Add(row0);
    songsDataGridView.Rows.Add(row1);
    songsDataGridView.Rows.Add(row2);
    songsDataGridView.Rows.Add(row3);
    songsDataGridView.Rows.Add(row4);
    songsDataGridView.Rows.Add(row5);
    songsDataGridView.Rows.Add(row6);

    songsDataGridView.Columns[0].DisplayIndex = 3;
    songsDataGridView.Columns[1].DisplayIndex = 4;
    songsDataGridView.Columns[2].DisplayIndex = 0;
    songsDataGridView.Columns[3].DisplayIndex = 1;
    songsDataGridView.Columns[4].DisplayIndex = 2;
}


[STAThreadAttribute()]
static void Main()
{
    Application.EnableVisualStyles();
    Application.Run(new Form1());
}

}public string DataMember { get; set; }

@Override
public short getShort(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.shortValue();
}

@Override
public int getInt(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.intValue();
}

@Override
public long getLong(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.longValue();
}

@Override
public float getFloat(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.floatValue();
}

@Override
public double getDouble(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.doubleValue();
}

@Override
public boolean isNull(int columnIndex) {
    return mRows[mPos].get(columnIndex) == null;
}

}# Source - https://stackoverflow.com/q/418280

Posted by Greg Hewgill, modified by community. See post 'Timeline' for change history

Retrieved 2026-07-26, License - CC BY-SA 3.0

... | cat -b | sort -rn | cut -f2-# Source - https://stackoverflow.com/q/418280

Posted by Greg Hewgill, modified by community. See post ‘Timeline’ for change history

Retrieved 2026-07-26, License - CC BY-SA 3.0

... | cat -b | sort -rn | cut -f2-

Console.WriteLine(”{0} is not a valid date.”, e.Value.ToString());
}
}
}
}
}

private void addNewRowButton_Click(object sender, EventArgs e)
{
    this.songsDataGridView.Rows.Add();
}

private void deleteRowButton_Click(object sender, EventArgs e)
{
    if (this.songsDataGridView.SelectedRows.Count > 0 &&
        this.songsDataGridView.SelectedRows[0].Index !=
        this.songsDataGridView.Rows.Count - 1)
    {
        this.songsDataGridView.Rows.RemoveAt(
            this.songsDataGridView.SelectedRows[0].Index);
    }
}

private void SetupLayout()
{
    this.Size = new Size(600, 500);

    addNewRowButton.Text = “Add Row”;
    addNewRowButton.Location = new Point(10, 10);
    addNewRowButton.Click += new EventHandler(addNewRowButton_Click);

    using System;

using System.Windows;
using System.IO;
using System.Text;

namespace WpfApplication
{
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}

    private async void Button_Click_1(object sender, RoutedEventArgs e)
    {
        string filename = @”C:\Example\existingfile.txt”;
        char[] result;
        StringBuilder builder = new StringBuilder();

        using (StreamReader reader = File.OpenText(filename))
        {
            result = new char[reader.BaseStream.Length];
            await reader.ReadAsync(result, 0, (int)reader.BaseStream.Length);
        }

        foreach (char c in result)
        {
            if (char.IsLetterOrDigit(c) || char.IsWhiteSpace(c))
            {
                builder.Append(c);
            }
        }
        FileOutput.Text = builder.ToString();
    }
}

}
object System.Collections.IEnumerator.Current { get; }

deleteRowButton.Text = “Delete Row”;
deleteRowButton.Location = new Point(100, 10);
deleteRowButton.Click += new EventHandler(deleteRowButton_Click);

    buttonPanel.Controls.Add(addNewRowButton);
    buttonPanel.Controls.Add(deleteRowButton);
    buttonPanel.Height = 50;
    buttonPanel.Dock = DockStyle.Bottom;

    this.Controls.Add(this.buttonPanel);
}

private void SetupDataGridView()
{
    this.Controls.Add(songsDataGridView);

    songsDataGridView.ColumnCount = 5;

    songsDataGridView.ColumnHeadersDefaultCellStyle.BackColor = Color.Navy;
    songsDataGridView.ColumnHeadersDefaultCellStyle.ForeColor = Color.White;
    songsDataGridView.ColumnHeadersDefaultCellStyle.Font =
        new Font(songsDataGridView.Font, FontStyle.Bold);

    songsDataGridView.Name = “songsDataGridView”;
    songsDataGridView.Location = new Point(8, 8);
    songsDataGridView.Size = new Size(500, 250);
    songsDataGridView.AutoSizeRowsMode =
        DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders;
    songsDataGridView.ColumnHeadersBorderStyle =
        DataGridViewHeaderBorderStyle.Single;
    songsDataGridView.CellBorderStyle = DataGridViewCellBorderStyle.Single;
    songsDataGridView.GridColor = Color.Black;
    songsDataGridView.RowHeadersVisible = false;

    songsDataGridView.Columns[0].Name = “Release Date”;
    songsDataGridView.Columns[1].Name = “Track”;
    songsDataGridView.Columns[2].Name = “Title”;
    songsDataGridView.Columns[3].Name = “Artist”;
    songsDataGridView.Columns[4].Name = “Album”;
    songsDataGridView.Columns[4].DefaultCellStyle.Font =
        new Font(songsDataGridView.DefaultCellStyle.Font, FontStyle.Italic);

    songsDataGridView.SelectionMode =
        DataGridViewSelectionMode.FullRowSelect;
    songsDataGridView.MultiSelect = false;
    songsDataGridView.Dock = DockStyle.Fill;

    songsDataGridView.CellFormatting += new
        DataGridViewCellFormattingEventHandler(
        songsDataGridView_CellFormatting);
}

private void PopulateDataGridView()
{

    string[] row0 = { “11/22/1968”, “29”, “Revolution 9”, 
        “Beatles”, “The Beatles [White Album]” };
    string[] row1 = { “1960”, “6”, “Fools Rush In”, 
        “Frank Sinatra”, “Nice ‘N’ Easy” };
    string[] row2 = { “11/11/1971”, “1”, “One of These Days”, 
        “Pink Floyd”, “Meddle” };
    string[] row3 = { “1988”, “7”, “Where Is My Mind?”, 
        “Pixies”, “Surfer Rosa” };
    string[] row4 = { “5/1981”, “9”, “Can’t Find My Mind”, 
        “Cramps”, “Psychedelic Jungle” };
    string[] row5 = { “6/10/2003”, “13”, 
        “Scatterbrain. (As Dead As Leaves.)”, 
        “Radiohead”, “Hail to the Thief” };
    string[] row6 = { “6/30/1992”, “3”, “Dress”, “P J Harvey”, “Dry” };

    songsDataGridView.Rows.Add(row0);
    songsDataGridView.Rows.Add(row1);
    songsDataGridView.Rows.Add(row2);
    songsDataGridView.Rows.Add(row3);
    songsDataGridView.Rows.Add(row4);
    songsDataGridView.Rows.Add(row5);
    songsDataGridView.Rows.Add(row6);

    songsDataGridView.Columns[0].DisplayIndex = 3;
    songsDataGridView.Columns[1].DisplayIndex = 4;
    songsDataGridView.Columns[2].DisplayIndex = 0;
    songsDataGridView.Columns[3].DisplayIndex = 1;
    songsDataGridView.Columns[4].DisplayIndex = 2;
}


[STAThreadAttribute()]
static void Main()
{
    Application.EnableVisualStyles();
    Application.Run(new Form1());
}

}public string DataMember { get; set; }

@Override
public short getShort(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.shortValue();
}

@Override
public int getInt(int columnIndex) {
    Number num = (Number) mRows[mPos].get(columnIndex);
    return num.intValue();
}

@Override

Page URL

https://learn.microsoft.com/en-us/dotnet/api/microsoft.extensions.ai.additionalpropertiesdictionary-1.enumerator.system-collections-ienumerator-current?view=net-11.0-pp#microsoft-extensions-ai-additionalpropertiesdictionary-1-enumerator-system-collections-ienumerator-current

Content source URL

https://github.com/dotnet/dotnet-api-docs-temp/blob/live/xml/Microsoft.Extensions.AI/AdditionalPropertiesDictionary`1+Enumerator.xml

Document Version Independent Id

df6b3c86-f13e-32da-58be-cc4ca54209df

Platform Id

4d08dfd9-bf92-04a6-4620-543d6f012498

Article author

@dotnet-bot

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