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Llenar nuestro DataGridView (tabla) con MySQL (MariaDB) en C# [03]
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Video: https://youtu.be/bk4aL4J7WC0
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@programadornovato
programadornovato committed Jun 23, 2021
1 parent 8bfc54d commit 26f3b3b
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Showing 3 changed files with 106 additions and 6 deletions.
47 changes: 47 additions & 0 deletions MySQL-CSharp/Form1.Designer.cs
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41 changes: 35 additions & 6 deletions MySQL-CSharp/Form1.cs
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Expand Up @@ -12,26 +12,55 @@ namespace MySQL_CSharp
{
public partial class Form1 : Form
{
MySqlConnection myCon;
public Form1()
{
InitializeComponent();
}

private void btnConectar_Click(object sender, EventArgs e)
{
private void conectar() {
try
{
string server = "localhost";
string database = "empleados";
string user = "root";
string pwd = "123456";
string cadenaConexion = "server=" + server + ";database=" + database + ";" + "Uid=" + user + ";pwd=" + pwd + ";";
MySqlConnection myCon = new MySqlConnection(cadenaConexion);
myCon = new MySqlConnection(cadenaConexion);
myCon.Open();
lblResultado.Text = "Conexion exitosa";
}
catch (Exception error) {
lblResultado.Text = "Error de conexion "+ error;
catch (Exception error)
{
lblResultado.Text = "Error de conexion " + error;
}
}
private void btnConectar_Click(object sender, EventArgs e)
{
conectar();
string query = "select id,nombre,puesto,edad from trabajadores;";
MySqlCommand comandoDB = new MySqlCommand(query, myCon);
comandoDB.CommandTimeout = 60;
MySqlDataReader reader;
try {
reader = comandoDB.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
int n = dgTrabajadores.Rows.Add();
dgTrabajadores.Rows[n].Cells[0].Value = reader.GetString(0);
dgTrabajadores.Rows[n].Cells[1].Value = reader.GetString(1);
dgTrabajadores.Rows[n].Cells[2].Value = reader.GetString(2);
dgTrabajadores.Rows[n].Cells[3].Value = reader.GetString(3);
//MessageBox.Show(reader.GetString(0));
}
}
else {
Console.WriteLine("No hay trabajadores");
}
}
catch (Exception ex) {
Console.WriteLine(ex);
}
}
}
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24 changes: 24 additions & 0 deletions MySQL-CSharp/Form1.resx
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Expand Up @@ -57,4 +57,28 @@
<resheader name="writer">
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<metadata name="id.UserAddedColumn" type="System.Boolean, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e">
<value>True</value>
</metadata>
<metadata name="Nombre.UserAddedColumn" type="System.Boolean, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e">
<value>True</value>
</metadata>
<metadata name="puesto.UserAddedColumn" type="System.Boolean, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e">
<value>True</value>
</metadata>
<metadata name="Edad.UserAddedColumn" type="System.Boolean, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e">
<value>True</value>
</metadata>
<metadata name="id.UserAddedColumn" type="System.Boolean, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e">
<value>True</value>
</metadata>
<metadata name="Nombre.UserAddedColumn" type="System.Boolean, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e">
<value>True</value>
</metadata>
<metadata name="puesto.UserAddedColumn" type="System.Boolean, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e">
<value>True</value>
</metadata>
<metadata name="Edad.UserAddedColumn" type="System.Boolean, System.Private.CoreLib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e">
<value>True</value>
</metadata>
</root>

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