Hi Kumas1281,
Refer below code.
protected void Page_Load(object sender, EventArgs e)
{
List<OrganizationList> organizationList = new List<OrganizationList>();
organizationList.Add(new OrganizationList { OrganizationLevel = 0, NetworkParticipation = "Test 1", ApprovalPolicyID = 1, LastUpdateDate = DateTime.Now });
organizationList.Add(new OrganizationList { OrganizationLevel = 0, NetworkParticipation = "Test 2", ApprovalPolicyID = 2, LastUpdateDate = DateTime.Now });
organizationList.Add(new OrganizationList { OrganizationLevel = 1, NetworkParticipation = "Test 3", ApprovalPolicyID = 3, LastUpdateDate = DateTime.Now });
organizationList.Add(new OrganizationList { OrganizationLevel = 2, NetworkParticipation = "Test 4", ApprovalPolicyID = 4, LastUpdateDate = DateTime.Now });
organizationList.Add(new OrganizationList { OrganizationLevel = 0, NetworkParticipation = "Test 5", ApprovalPolicyID = 5, LastUpdateDate = DateTime.Now });
organizationList.Add(new OrganizationList { OrganizationLevel = 1, NetworkParticipation = "Test 6", ApprovalPolicyID = 6, LastUpdateDate = DateTime.Now });
if (organizationList.Count > 0)
{
var organizationList0 = organizationList.Where(x => x.OrganizationLevel == 0).FirstOrDefault();
organizationList0.NetworkParticipation = null;
organizationList0.ApprovalPolicyID = null;
organizationList0.LastUpdateDate = null;
}
}
public class OrganizationList
{
public int OrganizationLevel { get; set; }
public string NetworkParticipation { get; set; }
public int? ApprovalPolicyID { get; set; }
public DateTime? LastUpdateDate { get; set; }
}