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Wednesday, 9 July 2014

Bind And Display Image in a DatagridView Using C#.Net in Windows Application

7/09/2014 - By Pranav Singh 0

In this article I will show you how you can bind and display image in a  datagridview using c# windows application. In this article I will show you how you can bind image in datagridview on conditional bases using c#.net and windows application.



So for this article first we will create a new windows application and add a datagridview control on it. After that we will add new columns in our datagridview. For adding column first we will add select the add column option.



A window will open in this windows we will select DataGridViewImageCell, and add column header and table field name and click on


After this we will add our images in project resource. For this we will do Right click on Project property -> Properties -> Resources. Now add the images.


Now your grid view will look as shown.



Now we have done we will add the below code in our form code
 
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Windows.Forms;

namespace DemoWindowsApplication
{
    /// <summary>
    ///how you can bind the image in a  datagridview in c# windows application
    /// </summary>
    public partial class MainForm : Form
    {
        public string connectionstring = "<-----Your constion string--------->";
        /// <summary>
        /// Default constructor for main form
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

        }
        /// <summary>
        /// Load data when form loads first time
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void MainFormLoad(object sender, EventArgs e)
        {
            DataTable _objdt = new DataTable();
            _objdt = GetDataFromDataBase();
            if (_objdt.Rows.Count > 0)
            {
                dataGridView1.DataSource = _objdt;
                for (int row = 0; row < dataGridView1.Rows.Count - 1; row++)
                {
                    decimal retailPrice = Convert.ToDecimal(((DataGridViewTextBoxCell)dataGridView1.Rows[row].Cells[3]).Value);
                    if (retailPrice > 18)
                    {
                        ((DataGridViewImageCell)this.dataGridView1.Rows[row].Cells["Status"]).Value = Properties.Resources.down_icon;
                    }
                    else
                    {
                        ((DataGridViewImageCell)this.dataGridView1.Rows[row].Cells["Status"]).Value = Properties.Resources.up_icon;
                    }
                }
            }
        }
        /// <summary>
        /// Function for binding retriving the data from database
        /// </summary>
        /// <returns></returns>
        public DataTable GetDataFromDataBase()
        {
            DataTable _objdt = new DataTable();
            string querystring = "select author_name,title,retail_price from Books;";
            SqlConnection _objcon = new SqlConnection(connectionstring);
            SqlDataAdapter _objda = new SqlDataAdapter(querystring, _objcon);
            _objcon.Open();
            _objda.Fill(_objdt);
            return _objdt;
        }
    }
}

In above code we have checked the value and on the bases of value we are displaying the image. Now we have done run the application for output.




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