I Am Trying To Do A Search Here. How Can I Show In the Datagridview The Searched Value?

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C#

if(cbSearchByEmployee.SelectedItem.ToString() == "Username")
            {
                MySqlConnection con = new MySqlConnection("Server=localhost;UID=root;Database=db_cignal");
                con.Open();
                MySqlCommand command = new MySqlCommand();
                command.Connection = con;
                command.CommandText = "SELECT * FROM employee WHERE Username=@Username";
                command.Parameters.AddWithValue("@Username", txtSearchByEmployee.Text.ToUpper());
                command.Prepare();

                MySqlDataReader reader = command.ExecuteReader();
                
                while(reader.Read())
                {
                    String user = reader["Username"].ToString();
                    String pass = reader["Password"].ToString();
                    String first = reader["Firstname"].ToString();
                    String middle = reader["Middlename"].ToString();
                    String last = reader["Lastname"].ToString();
                    int age = Convert.ToInt32(reader["Age"].ToString());
                    String gender = reader["Gender"].ToString();
                    String position = reader["Position"].ToString();
                    int contact = Convert.ToInt32(reader["Contact"].ToString());
                    String email = reader["Email"].ToString();
                    String address = reader["Address"].ToString();

                    dataGridView1.Rows.Add(user, pass, first, middle, last, age, gender,position,contact, email, address);
                }
                reader.Close();
                con.Close();

Posted 2-Mar-15 19:58pm

_bluRe_

Updated 2-Mar-15 20:07pm

RajeeshMenoth

v3

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RajeeshMenoth · Answer 1 · 2015-03-02T20:13:00

Solution 1

Hi,

Refer this article :
1) ASP.NET GridView with search option (SearchableGridView)
2) Display Large Amount of Data in GridView with Search Functionality
3) Searching Records From a DataBase and Displaying In a Gridview Using ASP.Net C#

Posted 2-Mar-15 20:13pm

RajeeshMenoth

rmksiva · Answer 2 · 2015-03-02T20:21:00

Hi,

First,

use like Statement for Filter

C#

command.CommandText = "SELECT * FROM employee WHERE Username like @Username +'%' ";

In Old Case you only get result when Search text match with exact user name.

Now Search filter Username Start with your Entered Text

Second,

Instead of Execute Reader Use Data Adapter

C#

 command.Connection = con;
  command.CommandText = "SELECT * FROM employee WHERE Username=@Username";
  command.Parameters.AddWithValue("@Username", txtSearchByEmployee.Text.ToUpper());

DataTable dt = new DataTable();
 MySqlDataAdapter da = new MySqlDataAdapter(command);
 da.Fill(dt);

dataGridView1.DataSource = dt;
dataGridView1.DataBind();

Thanks

Siva Rm K