84 lines
2.5 KiB
C#
84 lines
2.5 KiB
C#
using System;
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using System.Data;
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using System.Drawing;
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using System.Windows.Forms;
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namespace Database3
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{
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public partial class frmSearch : Form
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{
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public frmSearch()
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{
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InitializeComponent();
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}
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private void btnSearch_Click(object sender, EventArgs e)
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{
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string studentid = "9999999999";
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string lname = "9999999999";
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DateTime dob = new DateTime();
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ErrorProvider ep1 = new ErrorProvider();
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try
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{
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DataSet ds = new DataSet();
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StudentDataTier stuDT = new StudentDataTier();
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studentid = txtStuID.Text;
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lname = txtlname.Text;
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try
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{
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dob = DateTime.Parse(txtDOB.Text);
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}
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catch (Exception exception)
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{
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ep1.SetError(txtDOB, "Non valid value, but that's ok");
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}
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if (string.IsNullOrWhiteSpace(txtStuID.Text) &&
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string.IsNullOrWhiteSpace(txtlname.Text) &&
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string.IsNullOrWhiteSpace(txtDOB.Text))
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{
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throw new Exception("Must Enter at least one value");
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}
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// Get the dataset using all three search parameters.
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ds = stuDT.GetStudents(studentid, lname, dob);
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// Check to see if any record is returned.
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if (ds.Tables[0].Rows.Count > 0) // There is a record.
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{
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dgvStudents.Visible = true;
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// Get data source.
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dgvStudents.DataSource = ds.Tables[0];
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dgvStudents.AlternatingRowsDefaultCellStyle.BackColor = Color.LightGreen;
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// Set the row and column header styles.
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dgvStudents.ColumnHeadersDefaultCellStyle.ForeColor = Color.White;
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dgvStudents.ColumnHeadersDefaultCellStyle.BackColor = Color.Green;
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}
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else
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{
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dgvStudents.Visible = false; // Hide the DataGridView if no results are found.
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MessageBox.Show("No records found.");
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show($"An error occurred: {ex.Message}");
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}
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}
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private void frmSearch_Load(object sender, EventArgs e)
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{
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}
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}
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}
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