C# Gridview Hide Column | C# Controls Datagridview Hide Columns Rows - c# - c# tutorial - c# net



What is Datagridview?

  • The DataGridView control is designed to be a complete solution for displaying tabular data with Windows Forms.
  • The DataGridView control is highly configurable and extensible, and it provides many properties, methods, and events to customize its appearance and behavior.
  • The DataGridView control provides TextBox, CheckBox, Image, Button, ComboBox and Link columns with the corresponding cell types.
 DataGridview Hide Show Columns

DataGridview Hide Show Columns

Hide columns Rows:

  • In C#, displaying data in a tabular format is a task we are likely to perform frequently.
  • The DataGridView control is designed to be a complete solution for displaying tabular data with Windows Forms.
  • The DataGridView control is highly configurable and extensible, and it provides many properties, methods, and events to customize its appearance and behavior.
  • In C#, the source code manually creates a DataGridView columns and rows and hide the second column and second row.

Syntax Example

dataGridView1.Rows[Index].Visible = false;
dataGridView1.Columns[Index].Visible = false;
click below button to copy the code. By - c# tutorial - team
  • Here in the below table is representing to Windows Forms:
 c-sharp datagridview hiderow
  1. Here Fetch Data button will display the data values from the SQL and displays it by clicking it.
  2. Go to tool box and click on the DataGridview option the form will be open.
  3. Go to tool box and click on the button option and put the name as Hide Column in the button.
  4. Go to tool box and click on the button option and put the name as Hide Row in the button.

C# Sample Code - C# Examples:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;

namespace WikiTechy_Csharp_Windows_Application
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        DataSet ds = new DataSet();
        private void button1_Click(object sender, EventArgs e)
        {
         string connectionString =@"Data Source=VENKAT\KAASHIV;
         Initial Catalog=wikitechy;
         user id = venkat;password=venkat";
         string sql = "SELECT * FROM login_table";
         SqlConnection connection = new SqlConnection(connectionString);
         SqlDataAdapter dataadapter = new SqlDataAdapter(sql, connection);
         connection.Open();
         dataadapter.Fill(ds);
         connection.Close();
         dataGridView1.DataSource = ds.Tables[0];  

   }

        private void button2_Click(object sender, EventArgs e)
        {
            dataGridView1.Columns[1].Visible = false;          
        }

        private void button3_Click(object sender, EventArgs e)
        {
            dataGridView1.Rows[1].Visible = false;
        }
    }
}




click below button to copy the code. By - c# tutorial - team
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Code Explanation:

 c-sharp-datagridview-hiderow-code
  1. Here private void button2_Click(object sender, EventArgs e) click event handler for button2 specifies, which is a normal Button control in Windows Forms.The two parameters, "object sender" and "EventArgs e" parameters of function of event of a button such as private void button2_Click(object sender, EventArgs e).Here dataGridView1.Columns[1].Visible = false; specifies DataGridViewColumn.Visible property to false. To hide a ID and name columns that is automatically generated during data binding.
  2. Here private void button3_Click(object sender, EventArgs e) click event handler for button3 specifies, which is a normal Button control in Windows Forms.The two parameters, "object sender" and "EventArgs e" parameters of function of event of a button such as private void button3_Click(object sender, EventArgs e).Here dataGridView1.Rows[1].Visible = false; specifies DataGridViewRows.Visible property to false. To hide a ID and name rows that is automatically generated during data binding.

Sample C# examples - Output :

 hiderow output1
  1. Here in this output the Fetch Data button will display the data values from the SQL and displays it by clicking it.
  2. Here in this output table displays the Id "1,2,3" and name "venkat, jln, arun".
 hiderow output2
  1. Here in this output table displays the Id "1,3" and name "venkat, arun".
  2. Here in this output we display Hide Row, the data row "jln" is hided in the DataTable.
 hiderow output3
  1. Here in this output table displays the Id "1,3" .
  2. Here in this output we display Hide Column, the data column is Hided in DataTable.


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