Visual C# (VS 2015) How to Search data in an Access database (Windows Forms Source Code)

Visual Studio 2015-2019 (Visual C#) | How to Search data in an Access database (Windows Forms Application | Free Source Code).

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Visual Studio 2015-2019 | Visual C#

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Link: https://youtu.be/9z-zmSIw6Vc

[Free Source Code by iBasskung]

#BEGIN

using System;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class FormEmployee : Form
    {
        public FormEmployee()
        {
            InitializeComponent();
            // Hide ID Column :)
            this.dataGridView1.Columns[0].Visible = false;
        }

        private void buttonExit_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void FormEmployee_Load(object sender, EventArgs e)
        {
            // TODO: This line of code loads data into the 'employeeDb_2019_DataSet.Employees' table. You can move, or remove it, as needed.
            this.employeesTableAdapter.Fill(this.employeeDb_2019_DataSet.Employees);

        }

        private void FormEmployee_FormClosing(object sender, FormClosingEventArgs e)
        {
            string msg = "Do you want to exit the application?";
            string caption = "Exit Application : iBasskung Tutorial";
            MessageBoxButtons buttons = MessageBoxButtons.YesNo;
            MessageBoxIcon ico = MessageBoxIcon.Question;

            DialogResult result;

            result = MessageBox.Show(this, msg, caption, buttons, ico);

            if (result == DialogResult.Yes)
            {
                // Close the form.
                // MessageBox.Show("Goodbye, it was nice to meet you.", "iBasskung Tutorial", MessageBoxButtons.OK, MessageBoxIcon.Information);
                e.Cancel = false;
            }
            else
            {
                e.Cancel = true;
            }

        }

        private void buttonPrevious_Click(object sender, EventArgs e)
        {
            this.employeesBindingSource.MovePrevious();
        }

        private void buttonNext_Click(object sender, EventArgs e)
        {
            this.employeesBindingSource.MoveNext();
        }

        private void buttonAddNew_Click(object sender, EventArgs e)
        {
            this.employeesBindingSource.AddNew();
        }

        private void buttonSave_Click(object sender, EventArgs e)
        {
            // TODO :)

            try
            {

                string msg = "Do you want to save | update the selected record?";
                string caption = "Save | Update : iBasskung Tutorial";
                MessageBoxButtons buttons = MessageBoxButtons.YesNo;
                MessageBoxIcon ico = MessageBoxIcon.Question;

                DialogResult result;

                result = MessageBox.Show(this, msg, caption, buttons, ico);

                if (result == DialogResult.Yes)
                {
                    // Save | Update
                    this.employeesBindingSource.EndEdit();
                    this.employeesTableAdapter.Update(this.employeeDb_2019_DataSet.Employees);

                    // Refresh data
                    this.employeesTableAdapter.Fill(this.employeeDb_2019_DataSet.Employees);

                    MessageBox.Show("The record has been saved successfully.", "Save Data : iBasskung Tutorial", MessageBoxButtons.OK, MessageBoxIcon.Information);

                }
                else
                {
                    return;
                }

            }
            catch (Exception ex)
            {
                MessageBox.Show("Save | Update data failed : " + ex.Message.ToString(), "Save Data : iBasskung Tutorial", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }

        private void buttonDelete_Click(object sender, EventArgs e)
        {
            // TODO :)

            try
            {

                string msg = "Do you want to permanently delete the selected records?";
                string caption = "Delete Data : iBasskung Tutorial";
                MessageBoxButtons buttons = MessageBoxButtons.YesNo;
                MessageBoxIcon ico = MessageBoxIcon.Question;

                DialogResult result;

                result = MessageBox.Show(this, msg, caption, buttons, ico);

                if (result == DialogResult.Yes)
                {
                    // Delete
                    this.employeesBindingSource.RemoveCurrent();

                    // Save the change :)
                    this.employeesBindingSource.EndEdit();
                    this.employeesTableAdapter.Update(this.employeeDb_2019_DataSet.Employees);

                    // Refresh data
                    this.employeesTableAdapter.Fill(this.employeeDb_2019_DataSet.Employees);

                    MessageBox.Show("The record has been deleted.", "Delete Data : iBasskung Tutorial", MessageBoxButtons.OK, MessageBoxIcon.Information);

                }
                else
                {
                    return;
                }

            }
            catch (Exception ex)
            {
                MessageBox.Show("Delete data failed : " + ex.Message.ToString(), "Delete Data : iBasskung Tutorial", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }

        private void bindingNavigatorAddNewItem_Click(object sender, EventArgs e)
        {
            buttonAddNew.PerformClick();
        }

        private void bindingNavigatorDeleteItem_Click(object sender, EventArgs e)
        {
            buttonDelete.PerformClick();
        }

        private void toolStripButtonUpdateItem_Click(object sender, EventArgs e)
        {
            buttonSave.PerformClick();
        }

        private void toolStripButtonRefresh_Click(object sender, EventArgs e)
        {
            refreshData();
        }

        private void refreshData()
        {
            employeesBindingSource.Filter = null;
            this.employeesTableAdapter.Fill(this.employeeDb_2019_DataSet.Employees);

            if (keywordTextBox.CanSelect)
            {
                keywordTextBox.Clear();
                keywordTextBox.Select();
            }
        }

        private void searchButton_Click(object sender, EventArgs e)
        {
            searchAccessDatabase();
        }

        private void searchAccessDatabase()
        {

            if (string.IsNullOrEmpty(keywordTextBox.Text.Trim()))
            {
                refreshData();
                return;
            }

            string strKeyword = keywordTextBox.Text.Trim().ToString();

            StringBuilder sb = new StringBuilder();

            sb.AppendFormat("(Convert(Employee_ID, 'System.String') LIKE '" + "{0}" + "')", strKeyword);
            sb.AppendFormat("OR (First_Name LIKE '*" + "{0}" + "*')", strKeyword);
            sb.AppendFormat("OR (Last_Name LIKE '*" + "{0}" + "*')", strKeyword);
            sb.AppendFormat("OR (First_Name + ' ' + Last_Name LIKE '%" + "{0}" + "%')", strKeyword);
            sb.AppendFormat("OR (Phone LIKE '" + "{0}" + "')", strKeyword);
            sb.AppendFormat("OR (Email LIKE '*" + "{0}" + "*')", strKeyword);
            sb.AppendFormat("OR (YouTube LIKE '%" + "{0}" + "%')", strKeyword);

            string strFilter = sb.ToString();
            employeesBindingSource.Filter = strFilter;

            if (employeesBindingSource.Count != 0)
            {
                dataGridView1.DataSource = employeesBindingSource;
            }
            else
            {

                MessageBox.Show("Sorry, No records found.", "Search Result : iBasskung Tutorial", MessageBoxButtons.OK, MessageBoxIcon.Information);

                refreshData();
                return;

            }

        }
    }
}

#END

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