Filter ASP.Net GridView using DataView for Date range using C# and VB.Net

Hi RohitSingh,

Check this example. Now please take its reference and correct your code as per your Mysql code.

Database

For this example I have used of Northwind database that you can download using the link given below.

Download Northwind Database

HTML

<asp:GridView ID="gvEmployees" runat="server" AutoGenerateColumns="false">
    <Columns>
        <asp:BoundField DataField="EmployeeId" HeaderText="Id" />
        <asp:BoundField DataField="FirstName" HeaderText="First Name" />
        <asp:BoundField DataField="LastName" HeaderText="Last Name" />
        <asp:BoundField DataField="BirthDate" HeaderText="Birth Date" DataFormatString="{0:dd-MMM-yyyy}" />
    </Columns>
</asp:GridView>
<br />
<asp:Button Text="Filter" runat="server" OnClick="Filter" />

Namespace

C#

using System.Configuration;
using System.Data.SqlClient;
using System.Data;

VB.Net

Imports System.Data
Imports System.Data.SqlClient

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        gvEmployees.DataSource = GetData();
        gvEmployees.DataBind();
    }
}
private DataTable GetData()
{
    string conString = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    string query = "SELECT EmployeeId,FirstName,LastName,BirthDate FROM Employees";
    SqlCommand cmd = new SqlCommand(query);
    using (SqlConnection con = new SqlConnection(conString))
    {
        using (SqlDataAdapter sda = new SqlDataAdapter())
        {
            cmd.Connection = con;
            sda.SelectCommand = cmd;
            using (DataTable dt = new DataTable())
            {
                sda.Fill(dt);
                return dt;
            }
        }
    }
}
protected void Filter(object sender, EventArgs e)
{
    DataTable dt = GetData();
    DataView dv = dt.DefaultView;
    DateTime fromDate = new DateTime(1948, 1, 1);
    DateTime toDate = new DateTime(1960, 12, 31);
    dv.RowFilter = "BirthDate > #" + fromDate + "# AND BirthDate < #" + toDate + "#";
    gvEmployees.DataSource = dv;
    gvEmployees.DataBind();
}

VB.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not IsPostBack Then
        gvEmployees.DataSource = GetData()
        gvEmployees.DataBind()
    End If
End Sub

Private Function GetData() As DataTable
    Dim conString As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Dim query As String = "SELECT EmployeeId,FirstName,LastName,BirthDate FROM Employees"
    Dim cmd As SqlCommand = New SqlCommand(query)
    Using con As SqlConnection = New SqlConnection(conString)
        Using sda As SqlDataAdapter = New SqlDataAdapter()
            cmd.Connection = con
            sda.SelectCommand = cmd
            Using dt As DataTable = New DataTable()
                sda.Fill(dt)
                Return dt
            End Using
        End Using
    End Using
End Function

Protected Sub Filter(ByVal sender As Object, ByVal e As EventArgs)
    Dim dt As DataTable = GetData()
    Dim dv As DataView = dt.DefaultView
    Dim fromDate As DateTime = New DateTime(1948, 1, 1)
    Dim toDate As DateTime = New DateTime(1960, 12, 31)
    dv.RowFilter = "BirthDate > #" & fromDate & "# AND BirthDate < #" + toDate & "#"
    gvEmployees.DataSource = dv
    gvEmployees.DataBind()
End Sub

Screenshot