protected void GridSearch_Click(object sender, EventArgs e)
{
BindGridView1();
}
protected void GridSearchClear_Click(object sender, EventArgs e)
{
GridView1.DataSource = null;
LastNameSearch.Text = "";
}
<asp:Button ID="GridSearch" Text="Search" runat="server" onclick="GridSearch_Click" />
<asp:Button ID="GridSearchClear" Text="Clear" runat="server" onclick="SearchClear_Click" />
GridView1.DataSource = null;
GridView1.DataBind();
<asp:ImageButton ID="ImgPanel" ImageUrl="~/Images/quesmarkicon.png" runat="server" onclick="ImgPanel_Click" />
protected void ImgPanel_Click(object sender, ImageClickEventArgs e)
{
GridPanel.Visible = true;
ClosePanel.Visible = true;
LastNameSearchLabel.Visible = true;
LastNameSearch.Visible = true;
GridSearch.Visible = true;
GridSearchClear.Visible = true;
}
<asp:Panel ID="GridPanel" runat="server">
<asp:ImageButton ID="ClosePanel" Visible="false" onclick="ClosePanel_Click" ImageAlign="Right" ImageUrl="~/Images/Close.gif" runat="server" />
<br />
<table>
<tr>
<td>
<asp:Label ID="LastNameSearchLabel" Visible="false" runat="server" Text="Enter Last Name: " />
</td>
<td>
<asp:TextBox ID="LastNameSearch" Visible="false" runat="server" />
</td>
</tr>
<tr>
<td align="center" colspan="2">
<asp:Button ID="GridSearch" Visible="false" Text="Search" runat="server" onclick="GridSearch_Click" />
<asp:Button ID="GridSearchClear" Visible="false" Text="Clear" runat="server" onclick="GridSearchClear_Click" />
</td>
</tr>
</table>
<br />
<asp:GridView ID="GridView1" GridLines="None" runat="server" OnSorting="GridView1_Sorting"
OnPageIndexChanging="GridView1_PageIndexChanging" AllowPaging="true"
PageSize="10" AutoGenerateColumns="false" AllowSorting="True">
<Columns>
<asp:TemplateField HeaderText="Select">
<ItemTemplate>
<asp:CheckBox id="CStatus" AutoPostBack="true" OnCheckedChanged="CStatus_OnCheckedChanged" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="PName" SortExpression="PName" HeaderText="Name" />
<asp:BoundField DataField="UserEMailAddress" SortExpression="UserEMailAddress" HeaderText="E-Mail" />
</Columns>
</asp:GridView>
</asp:Panel>
protected void GridSearch_Click(object sender, EventArgs e)
{
GridView1.DataSource=null;
GridView1.DataBind();
BindGridView1();
}
protected void GridSearchClear_Click(object sender, EventArgs e)
{
GridView1.DataSource = null;
LastNameSearch.Text = "";
}
protected void GridSearchClear_Click(object sender, EventArgs e)
{
GridView1.DataSource = null;
GridView1.DataBind();//Still Missing on your code
LastNameSearch.Text = "";
}
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ImageButton ID="ImgPanel" ImageUrl="~/Images/quesmarkicon.png" runat="server" AlternateText="Search" onclick="ImgPanel_Click" />
<asp:Panel ID="GridPanel" runat="server">
<%-- <asp:ImageButton ID="ClosePanel" Visible="false" onclick="ClosePanel_Click" ImageAlign="Right" ImageUrl="~/Images/Close.gif" runat="server" />
--%>
<br />
<table>
<tr>
<td>
<asp:Label ID="LastNameSearchLabel" Visible="false" runat="server" Text="Enter Last Name: " />
</td>
<td>
<asp:TextBox ID="LastNameSearch" Visible="false" runat="server" />
</td>
</tr>
<tr>
<td align="center" colspan="2">
<asp:Button ID="GridSearch" Visible="false" Text="Search" runat="server" onclick="GridSearch_Click" />
<asp:Button ID="GridSearchClear" Visible="false" Text="Clear" runat="server" onclick="GridSearchClear_Click" />
</td>
</tr>
</table>
<br />
<asp:GridView ID="GridView1" GridLines="None" runat="server"
PageSize="10" AutoGenerateColumns="true" >
</asp:GridView>
</asp:Panel>
</div>
</form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void GridSearch_Click(object sender, EventArgs e)
{
GridView1.DataSource = null;
GridView1.DataBind();
BindGridView1();
}
protected void GridSearchClear_Click(object sender, EventArgs e)
{
GridView1.DataSource = null;
GridView1.DataBind();
LastNameSearch.Text = "";
}
protected void ImgPanel_Click(object sender, ImageClickEventArgs e)
{
GridPanel.Visible = true;
// ClosePanel.Visible = true;
LastNameSearchLabel.Visible = true;
LastNameSearch.Visible = true;
GridSearch.Visible = true;
GridSearchClear.Visible = true;
}
public void BindGridView1()
{
GridView1.DataSource = GetTable();//Temporary Dataset
GridView1.DataBind();
}
static DataTable GetTable()
{
//
// Here we create a DataTable with four columns.
//
DataTable table = new DataTable();
table.Columns.Add("Dosage", typeof(int));
table.Columns.Add("Drug", typeof(string));
table.Columns.Add("Patient", typeof(string));
table.Columns.Add("Date", typeof(DateTime));
//
// Here we add five DataRows.
//
table.Rows.Add(25, "Indocin", "David", DateTime.Now);
table.Rows.Add(50, "Enebrel", "Sam", DateTime.Now);
table.Rows.Add(10, "Hydralazine", "Christoff", DateTime.Now);
table.Rows.Add(21, "Combivent", "Janet", DateTime.Now);
table.Rows.Add(100, "Dilantin", "Melanie", DateTime.Now);
return table;
}
}
I'd suggest to look into BindGridView1(); method. You might have cached the search result somewhere and on PageLoad you might be binding it to the GridView again.
Regards,
Chinmay.