How To Set TreeView Nodes Values Into DataGridView Rows Using Visual Basic .Net

c# C# datagridview database dataGridView Insert All DataGridView Data Into MySQL Database Using C# mysql

C# Insert All DataGridView Data In MySQL

How To Add All DataGridView Values Into MySQL Database Using C#

nsert All DataGridView Records In MySQL Database Using C#,

In This C# Tutorial We Will See How To Populate A Datagridview From Datatable And Add All Datagridview Row's Records In MySQL Database Using For Loop And Mysqlcommand with Parameters In Csharp Programming Language And Visual Studio Editor.

Project Source Code:

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using MySql.Data.MySqlClient;

namespace Csharp_Tutorials

{

public partial class Insert_All_DGV_Data_Into_MySQL : Form

{

public Insert_All_DGV_Data_Into_MySQL()

{

InitializeComponent();

}

// mysql connection

MySqlConnection connection = new MySqlConnection("datasource=localhost;port=3306;Initial Catalog='mydb';username=root;password=");

private void Insert_All_DGV_Data_Into_MySQL_Load(object sender, EventArgs e)

{

DataTable table = new DataTable();

// add columns to datatable

table.Columns.Add("Id", typeof(int));

table.Columns.Add("First Name", typeof(string));

table.Columns.Add("Last Name", typeof(string));

table.Columns.Add("Age", typeof(int));

// add rows to datatable

table.Rows.Add(1, "First A", "Last A", 10);

table.Rows.Add(2, "First B", "Last B", 20);

table.Rows.Add(3, "First C", "Last C", 30);

table.Rows.Add(4, "First D", "Last D", 40);

table.Rows.Add(5, "First E", "Last E", 50);

table.Rows.Add(6, "First F", "Last F", 60);

table.Rows.Add(7, "First G", "Last G", 70);

table.Rows.Add(8, "First H", "Last H", 80);

dataGridView1.DataSource = table;

}

// button insert

private void buttonInsertAllData_Click(object sender, EventArgs e)

{

MySqlCommand command;

connection.Open();

for (int i = 0; i < dataGridView1.Rows.Count - 1 ; i++ )

{

command = new MySqlCommand("INSERT INTO dgv_data(`first_name`, `last_name`, `age`) VALUES(@ID,@fn,@ln,@AGE)", connection);

command.Parameters.Add("@ID", MySqlDbType.Int32).Value = dataGridView1.Rows[i].Cells[0].Value.ToString();

command.Parameters.Add("@fn", MySqlDbType.VarChar).Value = dataGridView1.Rows[i].Cells[1].Value.ToString();

command.Parameters.Add("@ln", MySqlDbType.VarChar).Value = dataGridView1.Rows[i].Cells[2].Value.ToString();

command.Parameters.Add("@AGE", MySqlDbType.Int32).Value = dataGridView1.Rows[i].Cells[3].Value.ToString();

command.ExecuteNonQuery();

}

connection.Close();

}

///////////////OUTPUT:

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c# C# And MySQL Search Data Between 2 Dates C# datagridview database dataGridView Find Records In MySQL Database Between Two Dates Using C# mysql

C# And MySQL Search Data Between 2 Dates

How To Search Data In MySQL Database Between Two Dates Using C#

C# And MySQL Search Records Between Two Date

In This C# Tutorial We Will See How To Get Records Between Two Date From MySQL Database Table Using Two DateTimePicker And Display The Selected Records Into A DataGridView Rows Using Csharp Programming Language And Visual Studio Editor.

Project Source Code:

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using MySql.Data.MySqlClient;

namespace Csharp_Tutorials

{

public partial class Search_Data_In_MySQL_Between_2_Date : Form

{

public Search_Data_In_MySQL_Between_2_Date()

{

InitializeComponent();

}

// mysql connection

MySqlConnection connection = new MySqlConnection("datasource=localhost;port=3306;Initial Catalog='mydb';username=root;password=");

private void Search_Data_In_MySQL_Between_2_Date_Load(object sender, EventArgs e)

{

// populate datagridview from database using mysql data adapter

MySqlDataAdapter adapter = new MySqlDataAdapter("SELECT * FROM student", connection);

DataTable table = new DataTable();

adapter.Fill(table);

dataGridView1.DataSource = table;

}

// button search

private void BTN_Search_Click(object sender, EventArgs e)

{

// create a command with 2 parameters [ d1, d2 ]

// mean the first date and second one

MySqlCommand command = new MySqlCommand("SELECT `id`, `first_name`, `last_name`, `birthdate`, `address` FROM `student` WHERE `birthdate` BETWEEN @d1 AND @d2", connection);

// add values to the parameters form dateTimePickers

command.Parameters.Add("@d1", MySqlDbType.Date).Value = dateTimePicker1.Value;

command.Parameters.Add("@d2", MySqlDbType.Date).Value = dateTimePicker2.Value;

MySqlDataAdapter adapter = new MySqlDataAdapter("SELECT * FROM student", connection);

DataTable table = new DataTable();

adapter.Fill(table);

dataGridView1.DataSource = table;

}

///////////////OUTPUT:

Search Records Between Two Dates Using Database And C#

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dataGridView datagridview vb.net Export Datagridview Data To Text File In Visual Basic.Net Import Text File Text To DataGridview In VB.Net VB.NET

VB.Net Import And Export Text File To DataGridView

How To Get And Set DataGridView Data To Txt File Text Using Visual Basic .Net

datagridview import and export to a text file in vb.net

In this VB.NET Tutorial we will see How To Import Records From A Text File And Display The Values Into DataGridView, and Export DataGridView Rows Data To a Txt File Using DataTable, TextWriter, StreamWriter, ReadAllLines In Visual Basic.Net Programming Language And Visual Studio Editor.

Project Source Code:

Imports System.IO

Public Class TXT_IMPORT_EXPORT_DGV

Dim table1 As New DataTable()

Dim table2 As New DataTable()

Private Sub TXT_IMPORT_EXPORT_DGV_Load(sender As Object, e As EventArgs) Handles MyBase.Load

' add columns to your datatable

' with the name of the columns and their type

table1.Columns.Add("Id", Type.GetType("System.Int32"))

table1.Columns.Add("First Name", Type.GetType("System.String"))

table1.Columns.Add("Last Name", Type.GetType("System.String"))

table1.Columns.Add("Age", Type.GetType("System.Int32"))

' add rows to datatable with some data

table1.Rows.Add(1, "AAAA", "BBBB", 21)

table1.Rows.Add(2, "CCCC", "DDDD", 33)

table1.Rows.Add(3, "EEEE", "FFFF", 53)

table1.Rows.Add(4, "GGGG", "HHHH", 19)

table1.Rows.Add(5, "MMMM", "NNNN", 36)

table1.Rows.Add(6, "RRRR", "SSSS", 63)

' now set the datagridview datasource equals to your datatable name

DataGridView1.DataSource = table1

table2.Columns.Add("Id", Type.GetType("System.Int32"))

table2.Columns.Add("First Name", Type.GetType("System.String"))

table2.Columns.Add("Last Name", Type.GetType("System.String"))

table2.Columns.Add("Age", Type.GetType("System.Int32"))

DataGridView2.DataSource = table2

End Sub

' button export

Private Sub ButtonExport_Click(sender As Object, e As EventArgs) Handles ButtonExport.Click

Dim writer As New StreamWriter("C:\Users\1BestCsharp\Desktop\Table2.txt")

For i As Integer = 0 To DataGridView1.Rows.Count - 2 Step +1

For j As Integer = 0 To DataGridView1.Columns.Count - 1 Step +1

' if last column

If j = DataGridView1.Columns.Count - 1 Then

writer.Write(vbTab & DataGridView1.Rows(i).Cells(j).Value.ToString())

Else

writer.Write(vbTab & DataGridView1.Rows(i).Cells(j).Value.ToString() & vbTab & "|")

End If

Next j

writer.WriteLine("")

Next i

writer.Close()

MessageBox.Show("Data Exported")

End Sub

' button import

Private Sub ButtonImport_Click(sender As Object, e As EventArgs) Handles ButtonImport.Click

Dim lines() As String

Dim vals() As String

lines = File.ReadAllLines("C:\Users\1BestCsharp\Desktop\table2.txt")

For i As Integer = 0 To lines.Length - 1 Step +1

vals = lines(i).ToString().Split("|")

Dim row(vals.Length - 1) As String

For j As Integer = 0 To vals.Length - 1 Step +1

row(j) = vals(j).Trim()

Next j

table2.Rows.Add(row)

Next i

End Sub

End Class

OutPut:

import and export txt file text to datagridview using vb.net

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c# C# datagridview c# text file dataGridView How To Export dataGridView Data to txt file In C# Import Text File Text To DataGridview In C# text file

C# Import And Export Text File To DataGridView

How To Get And Set DataGridView Data To Txt File Text Using C#

datagridview import and export to a text file in c#

In This C# Tutorial We Will See How To Import Records From A Text File And Display The Values Into DataGridView, and Export DataGridView Rows Data To a Txt File Using DataTable, TextWriter, StreamWriter, ReadAllLines In Csharp Programming Language And Visual Studio Editor.

PART 1

PART 2

Project Source Code:

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.IO;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace Csharp_Tutorials

{

public partial class Import_Export_DGV_to_TXT_File : Form

{

public Import_Export_DGV_to_TXT_File()

{

InitializeComponent();

}

DataTable table1 = new DataTable();

DataTable table2 = new DataTable();

private void Import_Export_DGV_to_TXT_File_Load(object sender, EventArgs e)

{

table1.Columns.Add("ID", typeof(int));

table1.Columns.Add("First Name", typeof(string));

table1.Columns.Add("Last Name", typeof(string));

table1.Columns.Add("Age", typeof(int));

table1.Rows.Add(1, "First A", "Last A", 10);

table1.Rows.Add(2, "First B", "Last B", 20);

table1.Rows.Add(3, "First C", "Last C", 30);

table1.Rows.Add(4, "First D", "Last D", 40);

table1.Rows.Add(5, "First E", "Last E", 50);

table1.Rows.Add(6, "First F", "Last F", 60);

table1.Rows.Add(7, "First G", "Last G", 70);

table1.Rows.Add(8, "First H", "Last H", 80);

table1.Rows.Add(9, "First I", "Last I", 90);

// populate datagridview with some data using datatable

dataGridViewExport.DataSource = table1;

table2.Columns.Add("ID", typeof(int));

table2.Columns.Add("First Name", typeof(string));

table2.Columns.Add("Last Name", typeof(string));

table2.Columns.Add("Age", typeof(int));

dataGridViewImport.DataSource = table2;

}

// button export

private void buttonExport_Click(object sender, EventArgs e)

{

TextWriter writer = new StreamWriter(@"C:\Users\1BestCsharp\Desktop\table2.txt");

for (int i = 0; i < dataGridViewExport.Rows.Count - 1; i++) // rows

{

for (int j = 0; j < dataGridViewExport.Columns.Count; j++) // columns

{

if(j == dataGridViewExport.Columns.Count - 1 ) // if last column

{

writer.Write("\t" + dataGridViewExport.Rows[i].Cells[j].Value.ToString());

}

else

writer.Write("\t" + dataGridViewExport.Rows[i].Cells[j].Value.ToString() + "\t" + "|");

}

writer.WriteLine("");

}

writer.Close();

MessageBox.Show("Data Exported");

}

// button import

private void buttonImport_Click(object sender, EventArgs e)

{

string[] lines = File.ReadAllLines(@"C:\Users\1BestCsharp\Desktop\table2.txt");

string[] values;

for (int i = 0; i < lines.Length; i++)

{

values = lines[i].ToString().Split('|');

string[] row = new string[values.Length];

for (int j = 0; j < values.Length; j++)

{

row[j] = values[j].Trim();

}

table2.Rows.Add(row);

}

///////////////OUTPUT:

import and export txt file text to datagridview using c#

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