Using Session in asp.net :
string strName = "Raghava";
if (Session["tName"] == null)
{
Session["tName"] = strName;
}
else
{
strName = Session["tName"].ToString();
}
txtName.Text= strName;
Using Data Cache in asp.net :
string strName = "Rajesh";
if (Cache["tName"] == null)
{
Cache["tName"] = strName;
}
else
{
strName= Cache["tName"].ToString();
}
txtName.Text= strName;
Using Data ViewState in asp.net :
View state maintains the current state of the page,during postbacks
string strview = "Rajesh";
if (ViewState["viewName"] == null)
{
ViewState["viewName"] = strview ;
}
else
{
strview = ViewState["viewName"].ToString();
}
txtName.Text= strview ;
Using Javascript from codebehind in asp.net :
example : This example is for showing alert.
string msgAlerta = "Session has been expire, Please login again to continue";
string alertMsga = "<script language=javascript>alert('" + msgAlerta + "');";
alertMsga += "window.location='../login.aspx'</script>";
Page.RegisterClientScriptBlock("alertMsga", alertMsga);
Row Databound in Gridview in asp.net
protected void grvflat_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
DataRow dr = ((DataRowView)e.Row.DataItem).Row;
string SFT = (dr["SFT"].ToString());
string flaname = (dr["Flatno"].ToString());
string phno=(dr["phoneno"].ToString());
string cid=(dr["cid"].ToString());
string fname = (dr["customername"].ToString());
((HyperLink)e.Row.FindControl("hlinkforbook")).Text = "SelectforBook";
string url = string.Format("~/ApllicationFormSTL.aspx?flatname=" + flaname + "&&SFT=" + SFT+"&&phoneno="+phno+"&cid="+cid+"&&cname="+uname);
((HyperLink)e.Row.FindControl("Hyperlinkavail")).NavigateUrl = url;
}
}
Remove The Session in asp.net :
Session.Remove("strSession");
Example for Gridview in asp.net :
<asp:GridView ID="grvExample" runat="server" AutoGenerateColumns="False">
<Columns>
<asp:TemplateField HeaderText="CustomerName">
<ItemTemplate>
<asp:Label ID="clabe" runat="server" Text='<%#Eval("name")%>'> </asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Address">
<ItemTemplate>
<asp:Label ID="caddres" runat="server" Text='<%#Eval("addres")%>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="CustomerPhoneno">
<ItemTemplate>
<asp:Label ID="phlabel" runat="server" Text='<%#Eval("phoneno")%>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="TeamLeadComments">
<ItemTemplate>
<asp:Label ID="temcomments" runat="server" Text='<%#Eval("temcomments")%>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Assign">
<ItemTemplate>
<asp:LinkButton ID="linkassign" runat="server" Text= "ReAssign" CommandArgument='<%#Eval("custid")%>' CommandName="Assign"></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<Columns>
<asp:TemplateField HeaderText="CustomerName">
<ItemTemplate>
<asp:Label ID="clabe" runat="server" Text='<%#Eval("name")%>'> </asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Address">
<ItemTemplate>
<asp:Label ID="caddres" runat="server" Text='<%#Eval("addres")%>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="CustomerPhoneno">
<ItemTemplate>
<asp:Label ID="phlabel" runat="server" Text='<%#Eval("phoneno")%>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="TeamLeadComments">
<ItemTemplate>
<asp:Label ID="temcomments" runat="server" Text='<%#Eval("temcomments")%>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Assign">
<ItemTemplate>
<asp:LinkButton ID="linkassign" runat="server" Text= "ReAssign" CommandArgument='<%#Eval("custid")%>' CommandName="Assign"></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
Get & Set the querystring values in asp.net :
Set :
Response.Redirect("test.aspx? phoneno='43434344'&mail='ex@abc.com'&name='abc' ")
Get:
phno = Request.QueryString["phoneno"].ToString();
Emailid = Request.QueryString["mail"].ToString();
Calculate Percentages in asp.net :
txtfirsttot.Text = txtdsctot.Text;
float salesconsider = float.Parse(txtdsctot.Text);
int dob45 = 15;
float ondate45 = salesconsider * dob45 / 100;
txtdob45.Text= ondate45.ToString();
float salesconsider = float.Parse(txtdsctot.Text);
int dob45 = 15;
float ondate45 = salesconsider * dob45 / 100;
txtdob45.Text= ondate45.ToString();
Convert the date format into dd/mm/yyyy :
string strDate = DateTime.Now.ToString("dd/MM/yyyy");
AjaxAutoComplete Extendar in asp.net :
<asp:TextBox ID="txttestajax" runat="server" ></asp:TextBox>
<ajax:AutoCompleteExtender
runat="server"
TargetControlID="txttestajax"
BehaviorID="AutoCompleteEx"
CompletionSetCount="20"
CompletionInterval="500"
EnableCaching="true"
CompletionListCssClass="autocomplete_completionListElement"
CompletionListItemCssClass="autocomplete_listItem"
CompletionListHighlightedItemCssClass="autocomplete_highlightedListItem"
DelimiterCharacters=";, :"
ShowOnlyCurrentWordInCompletionListItem="true"
MinimumPrefixLength="2" ServiceMethod="GetCompletionList3"
UseContextKey="True">
<Animations>
<OnShow>
<Sequence>
<%-- Make the completion list transparent and then show it --%>
<OpacityAction Opacity="0" />
<HideAction Visible="true" />
<%--Cache the original size of the completion list the first time
the animation is played and then set it to zero --%>
<ScriptAction Script="
// Cache the size and setup the initial size
var behavior = $find('AutoCompleteEx');
if (!behavior._height) {
var target = behavior.get_completionList();
behavior._height = target.offsetHeight - 2;
target.style.height = '0px';
}" />
<%-- Expand from 0px to the appropriate size while fading in --%>
<Parallel Duration=".4">
<FadeIn />
<Length PropertyKey="height" StartValue="0" EndValueScript="$find('AutoCompleteEx')._height" />
</Parallel>
</Sequence>
</OnShow>
<OnHide>
<Parallel Duration=".4">
<FadeOut />
<Length PropertyKey="height" StartValueScript="$find('AutoCompleteEx')._height" EndValue="0" />
</Parallel>
</OnHide>
</Animations>
</ajax:AutoCompleteExtender>
Sending Mail using asp.net with attachments:
using System.Net.Mail;
MailMessage mm = new MailMessage (string from, string to);
mm.Subject = "Mail from Cybercity";
mm.Body = TextBox10.Text;
mm.IsBodyHtml = true;
mm.Attachments.Add(new Attachment(Server.MapPath("~//Brochure//layout.jpg")));mm.Subject = "Mail from Cybercity";
mm.Body = TextBox10.Text;
mm.IsBodyHtml = true;
SmtpClient sClient = new SmtpClient();
sClient.EnableSsl = true;
sClient.Timeout = 400000;
sClient.Send(mm);
AutoIncrement Id in DataTable:
DataTable dtIsolate=new DataTable();
dtIsolate.Columns.Add("EqID", typeof(int));
dtIsolate.Columns["EqID"].
dtIsolate.Columns.Add("
dtIsolate.Columns.Add("
dtIsolate.Columns.Add("
dtIsolate.Columns.Add("
dtIsolate.Rows.Add(dtIsolate.
Display line number in Visual Studio
Select Tools → Options → Text Editor → select the language in which you write the code → Display → Select Line Number.
No.of visible rows with in the aspxgridview
grvCertificates.
//here grvCertificates is the devexpress gridview Id
