Java - How To Remove All JTable Data In Button Click Using Java NetBeans

C# - How To Change A DataGridView Row Color In C#

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C# - How To Change A DataGridView Row Back Color In C#

In This C# Tutorial We Will See How To Cahange A DataGridView Row BackGround Color
Based On A Column Value In CSharp Programming Language .

Project Source Code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Csharp_datagridview_row_color : Form
    {
        public Csharp_datagridview_row_color()
        {
            InitializeComponent();
        }

        private void Csharp_datagridview_row_color_Load(object sender, EventArgs e)
        {
            DataTable dt = new DataTable();

            dt.Columns.Add("Product ID", typeof(string));
            dt.Columns.Add("Product Name", typeof(string));
            dt.Columns.Add("Product Quantity", typeof(int));

            dt.Rows.Add("13ZD", "AAAA", 7);
            dt.Rows.Add("13ZD", "AAAA", 11);
            dt.Rows.Add("13ZD", "AAAA", 4);
            dt.Rows.Add("13ZD", "AAAA", 18);
            dt.Rows.Add("13ZD", "AAAA", 1);
            dt.Rows.Add("13ZD", "AAAA", 12);
            dt.Rows.Add("13ZD", "AAAA", 5);
            dt.Rows.Add("13ZD", "AAAA", 0);
            dt.Rows.Add("13ZD", "AAAA", 6);
            dt.Rows.Add("13ZD", "AAAA", 10);
            dt.Rows.Add("13ZD", "AAAA", 14);
            dt.Rows.Add("13ZD", "AAAA", 13);
            dt.Rows.Add("13ZD", "AAAA", 2);
            dt.Rows.Add("13ZD", "AAAA", 16);
            dt.Rows.Add("13ZD", "AAAA", 9);
            dt.Rows.Add("13ZD", "AAAA", 15);
            dt.Rows.Add("13ZD", "AAAA", 0);
            dt.Rows.Add("13ZD", "AAAA", 8);
            dt.Rows.Add("13ZD", "AAAA", 3);

            // Bind dataGridView with Datatable
            dataGridView1.DataSource = dt;
            RowsColor();
        }

  
     /*
         create a function to change the row background color
         based on the quantity colum
        */ 
        public void RowsColor()
        {
            for(int i = 0; i < dataGridView1.Rows.Count; i++)
            {
                int val = Int32.Parse(dataGridView1.Rows[i].Cells[2].Value.ToString());
                if (val < 5)
                {
 dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.Red; 
                    if(val == 0)
                    {
                        timer1.Start();
                    }
                }

                else if(val >= 5 && val < 10)
                {
 dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.Orange;      
                }
                else if (val >= 10 && val < 15)
                {
 dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.Yellow;
                }
                else
                {
dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.Green;
                }
            }
        }

  //  timer start if the quantity = 0
        private void timer1_Tick(object sender, EventArgs e)
        {
            for(int i = 0; i < dataGridView1.Rows.Count; i++)
            {
                int val = Int32.Parse(dataGridView1.Rows[i].Cells[2].Value.ToString());
                if (val == 0)
                {
if (dataGridView1.Rows[i].DefaultCellStyle.BackColor == Color.Red)
{
dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.White;
}
else if (dataGridView1.Rows[i].DefaultCellStyle.BackColor == Color.White)
{
    dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.Red;
}             
                }
            }
        }

    }
}

///////////////OUTPUT:

C# Datagridview Row Color

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JAVA - How To Add Delete And Update JTable Row Using JTextFields In Java NetBeans

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JAVA - How To Insert Remove And Edit JTable Row Using JTextFields In Java NetBeans

__________________________________________________________________________

In this Java JTable Tutorial we will see How To :

- add a Row To JTable From JTextFields .
- delete Selected Row From JTable .
- Get Selected Row Values From JTable to JTextfields .
- Update a JTable Row Using JTextFields .

In Java NetBeans .

Project Source Code:

package javaapp;

import java.awt.Color;

import java.awt.Font;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.JTextField;

import javax.swing.table.DefaultTableModel;

public class JTableRow {

public static void main(String[] args){

// create JFrame and JTable

JFrame frame = new JFrame();

JTable table = new JTable();

// create a table model and set a Column Identifiers to this model

Object[] columns = {"Id","First Name","Last Name","Age"};

DefaultTableModel model = new DefaultTableModel();

model.setColumnIdentifiers(columns);

// set the model to the table

table.setModel(model);

// Change A JTable Background Color, Font Size, Font Color, Row Height

table.setBackground(Color.LIGHT_GRAY);

table.setForeground(Color.black);

Font font = new Font("",1,22);

table.setFont(font);

table.setRowHeight(30);

// create JTextFields

JTextField textId = new JTextField();

JTextField textFname = new JTextField();

JTextField textLname = new JTextField();

JTextField textAge = new JTextField();

// create JButtons

JButton btnAdd = new JButton("Add");

JButton btnDelete = new JButton("Delete");

JButton btnUpdate = new JButton("Update");

textId.setBounds(20, 220, 100, 25);

textFname.setBounds(20, 250, 100, 25);

textLname.setBounds(20, 280, 100, 25);

textAge.setBounds(20, 310, 100, 25);

btnAdd.setBounds(150, 220, 100, 25);

btnUpdate.setBounds(150, 265, 100, 25);

btnDelete.setBounds(150, 310, 100, 25);

// create JScrollPane

JScrollPane pane = new JScrollPane(table);

pane.setBounds(0, 0, 880, 200);

frame.setLayout(null);

frame.add(pane);

// add JTextFields to the jframe

frame.add(textId);

frame.add(textFname);

frame.add(textLname);

frame.add(textAge);

// add JButtons to the jframe

frame.add(btnAdd);

frame.add(btnDelete);

frame.add(btnUpdate);

// create an array of objects to set the row data

Object[] row = new Object[4];

// button add row

btnAdd.addActionListener(new ActionListener(){

@Override

public void actionPerformed(ActionEvent e) {

row[0] = textId.getText();

row[1] = textFname.getText();

row[2] = textLname.getText();

row[3] = textAge.getText();

// add row to the model

model.addRow(row);

}

});

// button remove row

btnDelete.addActionListener(new ActionListener(){

@Override

public void actionPerformed(ActionEvent e) {

// i = the index of the selected row

int i = table.getSelectedRow();

if(i >= 0){

// remove a row from jtable

model.removeRow(i);

}

else{

System.out.println("Delete Error");

}

});

// get selected row data From table to textfields

table.addMouseListener(new MouseAdapter(){

@Override

public void mouseClicked(MouseEvent e){

// i = the index of the selected row

int i = table.getSelectedRow();

textId.setText(model.getValueAt(i, 0).toString());

textFname.setText(model.getValueAt(i, 1).toString());

textLname.setText(model.getValueAt(i, 2).toString());

textAge.setText(model.getValueAt(i, 3).toString());

}

});

// button update row

btnUpdate.addActionListener(new ActionListener(){

@Override

public void actionPerformed(ActionEvent e) {

// i = the index of the selected row

int i = table.getSelectedRow();

if(i >= 0)

{

model.setValueAt(textId.getText(), i, 0);

model.setValueAt(textFname.getText(), i, 1);

model.setValueAt(textLname.getText(), i, 2);

model.setValueAt(textAge.getText(), i, 3);

}

else{

System.out.println("Update Error");

}

});

frame.setSize(900,400);

frame.setLocationRelativeTo(null);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setVisible(true);

}

OUTPUT:

java JTable insert remove edit Row Using TextFields

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JAVA - How To Change A JTable Background Color, Font Size, Font Color In Java NetBeans

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How To Set A Background Color, Font Size, Font Color To A JTable In Java

In this java Tutorial you will see How You Can Change The BackGround Color Of Your JTable And Font Size And Color (Foreground) In Java NetBeans .

Project Source Code:

package javaapp;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;

public class JTableColor{

public static void main(String[] args){

JFrame frame = new JFrame();
JTable table = new JTable();


// create columns and rows to fill the jtable
Object[] columns ={"ID","First Name","Last Name","Age"};

Object[][] rows ={{"1","Java","JEE","11"},
{"2","CSharp","Asp","22"},
{"3","Php","Mysql","33"},
{"4","Html","Css","44"},
{"5","Jquery","JavaScript","55"},
{"6","Sql","Oracl","66"},
{"7","Ruby","Python","77"},
{"8","Xml","Xpath","88"}
};

DefaultTableModel model = new DefaultTableModel(rows, columns);

// set the model to the JTable
table.setModel(model);

// set a Background color to the Jtable
table.setBackground(Color.decode("#058dc7"));

// set Font To table
table.setFont(new Font("", 1, 42));

// set height to the table rows
table.setRowHeight(50);

// set color to the JTable Font
table.setForeground(Color.white);

JScrollPane pane = new JScrollPane(table);

JPanel panel = new JPanel();

panel.setLayout(new BorderLayout());

panel.add(pane,BorderLayout.CENTER);

frame.setContentPane(panel);

frame.setSize(900,500);

frame.setLocationRelativeTo(null);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setVisible(true);
}
}

///////////////OUTPUT:

JTable Java Background Color, Font Size, Font Color.jpg

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