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semi working multi search

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EggMan20339 2024-02-13 15:46:12 -05:00
parent 63402fb1f4
commit 9212fe4650
2 changed files with 34 additions and 14 deletions
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8
Database3/StudentDataTier.cs
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@ -10,7 +10,7 @@ using System.Collections;
using System.Data.SqlClient; using System.Data.SqlClient;
namespace Database2 namespace Database3
{ {
public class StudentDataTier public class StudentDataTier
{ {
@ -18,7 +18,7 @@ namespace Database2
static SqlConnection myConn = new SqlConnection(connString); static SqlConnection myConn = new SqlConnection(connString);
static System.Data.SqlClient.SqlCommand cmdString = new System.Data.SqlClient.SqlCommand(); static System.Data.SqlClient.SqlCommand cmdString = new System.Data.SqlClient.SqlCommand();
public DataSet GetStudents(string studid) public DataSet GetStudents(string studid, string lname, string dob)
{ {
try try
{ {
@ -30,9 +30,11 @@ namespace Database2
cmdString.Connection = myConn; cmdString.Connection = myConn;
cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandType = CommandType.StoredProcedure;
cmdString.CommandTimeout = 1500; cmdString.CommandTimeout = 1500;
cmdString.CommandText = "GetStudentByID"; cmdString.CommandText = "SearchStudent";
// Define input parameter // Define input parameter
cmdString.Parameters.Add("@studentid", SqlDbType.VarChar, 6).Value = studid; cmdString.Parameters.Add("@studentid", SqlDbType.VarChar, 6).Value = studid;
cmdString.Parameters.Add("@lname", SqlDbType.VarChar, 25).Value = lname;
cmdString.Parameters.Add("@dob", SqlDbType.Date).Value = dob;
// adapter and dataset // adapter and dataset
SqlDataAdapter aAdapter = new SqlDataAdapter(); SqlDataAdapter aAdapter = new SqlDataAdapter();
aAdapter.SelectCommand = cmdString; aAdapter.SelectCommand = cmdString;

38
Database3/frmSearch.cs
View File

@ -17,7 +17,7 @@ using System.Data;
using System.Configuration; using System.Configuration;
using System.Collections; using System.Collections;
using System.Data.SqlClient; using System.Data.SqlClient;
using Database2; using Database3;
namespace Database3 namespace Database3
@ -31,23 +31,36 @@ namespace Database3
private void btnSearch_Click(object sender, EventArgs e) private void btnSearch_Click(object sender, EventArgs e)
{ {
string studentid = ""; string studentid = "9999999999";
string lname = "9999999999";
string dob = null;
try try
{ {
DataSet ds = new DataSet(); DataSet ds = new DataSet();
StudentDataTier stuDT = new StudentDataTier(); StudentDataTier stuDT = new StudentDataTier();
studentid = txtStuID.Text.Trim(); try
{
//get the dataset studentid = txtStuID.Text;
ds = stuDT.GetStudents(studentid); lname = txtlname.Text;
dob = txtDOB.Text;
// check to see if any record is returned }
if (ds.Tables[0].Rows.Count > 0) //there is a record catch (Exception exception)
{
MessageBox.Show("Error Parsing Search Parameters","Error", MessageBoxButtons.OK);
}
// Get the dataset using all three search parameters.
ds = stuDT.GetStudents(studentid, lname, dob);
// Check to see if any record is returned.
if (ds.Tables[0].Rows.Count > 0) // There is a record.
{ {
dgvStudents.Visible = true; dgvStudents.Visible = true;
// get data source // Get data source.
dgvStudents.DataSource = ds.Tables[0]; dgvStudents.DataSource = ds.Tables[0];
dgvStudents.AlternatingRowsDefaultCellStyle.BackColor = Color.LightGreen; dgvStudents.AlternatingRowsDefaultCellStyle.BackColor = Color.LightGreen;
@ -55,12 +68,17 @@ namespace Database3
dgvStudents.ColumnHeadersDefaultCellStyle.ForeColor = Color.White; dgvStudents.ColumnHeadersDefaultCellStyle.ForeColor = Color.White;
dgvStudents.ColumnHeadersDefaultCellStyle.BackColor = Color.Green; dgvStudents.ColumnHeadersDefaultCellStyle.BackColor = Color.Green;
} }
else
{
dgvStudents.Visible = false; // Hide the DataGridView if no results are found.
MessageBox.Show("No records found.");
}
} }
catch (Exception ex) catch (Exception ex)
{ {
// Handle exception MessageBox.Show($"An error occurred: {ex.Message}");
} }
} }
}
} }
}