Dream Asp.net

Insert, Update, delete, paging in formview

Suresh — Tue, 08 Jul 2008 07:48:03 +0000

          CellPadding=”4″ ForeColor=”#333333″ >

ID:	’>
Name:	’>
City:	’>
-

Name:	’>
City:	’>
-

Sample Database

ID:	’>
Name:	’>
City:	’>
- -

Page :<%=fv.PageIndex+1%>
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codebehind file///////////////

public partial class formvieweditupdate : System.Web.UI.Page
{
SqlConnection dbConn = null;
SqlDataAdapter da = null;
DataTable dTable = null;
String strConnection = null;
String strSQL = null;
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
bindData();
}
}
private void bindData()
{
try
{
strConnection = ConfigurationManager.ConnectionStrings["rubruConnectionString"].ConnectionString;
dbConn = new SqlConnection(strConnection);
dbConn.Open();
strSQL = “SELECT companyid, companyname,companycity from companydetail order by companyname”;
da = new SqlDataAdapter(strSQL, dbConn);
dTable = new DataTable();
da.Fill(dTable);
fv.DataSource = dTable;
fv.DataBind();
}
finally
{
if (dbConn != null)
{
dbConn.Close();
}
}
}

protected void Update(object sender, FormViewUpdateEventArgs e)
{
try
{
int cid = Convert.ToInt32((fv.Row.FindControl(”theIDLabel1″) as Label).Text);
string cname = (fv.Row.FindControl(”theNameTextBox”) as TextBox).Text;
string ccity = (fv.Row.FindControl(”theCityTextBox”) as TextBox).Text;
strConnection = ConfigurationManager.ConnectionStrings["rubruConnectionString"].ConnectionString;
dbConn = new SqlConnection(strConnection);
dbConn.Open();
SqlCommand da = new SqlCommand( “Update companydetail set companyname=@comp,companycity=@comcity where companyid=@cid“, dbConn);
da.Parameters.Add(”@cid”, SqlDbType.Int).Value = cid;
da.Parameters.Add(”@comp”, SqlDbType.VarChar).Value = cname;
da.Parameters.Add(”@comcity”, SqlDbType.VarChar).Value = ccity;
da.ExecuteNonQuery();
fv.ChangeMode(FormViewMode.ReadOnly);
}

finally
{
if (dbConn != null)
{
dbConn.Close();
bindData();
}
}

}
protected void Insert(object sender, FormViewInsertEventArgs e)
{
try
{

string cname = (fv.Row.FindControl(”theNameTextBox”) as TextBox).Text;
string ccity = (fv.Row.FindControl(”theCityTextBox”) as TextBox).Text;
strConnection = ConfigurationManager.ConnectionStrings["rubruConnectionString"].ConnectionString;
dbConn = new SqlConnection(strConnection);
dbConn.Open();
SqlCommand da = new SqlCommand(”insert into companydetail values(@comp,@add,@comcity)”, dbConn);
da.Parameters.Add(”@add”, SqlDbType.VarChar).Value =”";
da.Parameters.Add(”@comp”, SqlDbType.VarChar).Value = cname;
da.Parameters.Add(”@comcity”, SqlDbType.VarChar).Value = ccity;
da.ExecuteNonQuery();
fv.ChangeMode(FormViewMode.ReadOnly);
}

finally
{

if (dbConn != null)
{
dbConn.Close();
bindData();
}
}

}
protected void Delete(object sender, FormViewDeleteEventArgs e)
{
try
{
int cid = Convert.ToInt32((fv.Row.FindControl(”theIDLabel”) as Label).Text);
strConnection = ConfigurationManager.ConnectionStrings["rubruConnectionString"].ConnectionString;
dbConn = new SqlConnection(strConnection);
dbConn.Open();
SqlCommand da = new SqlCommand(”delete from companydetail where companyid=@cid“, dbConn);
da.Parameters.Add(”@cid”, SqlDbType.Int).Value = cid;
da.ExecuteNonQuery();
fv.ChangeMode(FormViewMode.ReadOnly);
}

finally
{

if (dbConn != null)
{
dbConn.Close();
bindData();
}
}

}
protected void ChangMode(object sender, FormViewModeEventArgs e)
{
if (e.NewMode.ToString() == “Edit”)
{
fv.ChangeMode(e.NewMode);
}
else
if (e.NewMode.ToString()==”Insert”)
{
fv.ChangeMode(e.NewMode);
}
else
fv.ChangeMode(e.NewMode);
bindData();
}

protected void pagechanged(object sender, FormViewPageEventArgs e)
{
fv.PageIndex = e.NewPageIndex;
bindData();
}
}

Paging in Gridview using PagerTemplate

Suresh — Mon, 07 Jul 2008 10:00:04 +0000

BorderColor=”#000080″
BorderWidth=”2px”
HorizontalAlign=”Center”
Width=”90%” AllowPaging=true BackColor=Gray PagerSettings-Position=TopAndBottom >

ID=”LinkButton1″ runat=”server” Style=”color: white”>
« First
ID=”LinkButton2″ runat=”server” Style=”color: white”>
< Prev
[Records <%= gv.PageIndex * gv.PageSize%>-<%= gv.PageIndex * gv.PageSize + gv.PageSize - 1%>]
ID=”LinkButton3″ runat=”server” Style=”color: white”>
Next >
ID=”LinkButton4″ runat=”server” Style=”color: white”>
Last »

ConnectionString=”<%$ ConnectionStrings:rubruConnectionString %>” />

fix header in repeater and datalist

Suresh — Mon, 07 Jul 2008 06:29:01 +0000

Localityid

Localityname

<%#Eval(”localityid”) %>

<%#Eval(”localityname”) %>

code behind code/////////
protected void Page_Load(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["rubruConnectionString"].ConnectionString);
SqlDataAdapter cmd = new SqlDataAdapter(”select top 100 * from locality”, con);
cmd.SelectCommand.CommandType = CommandType.Text;
DataSet ds = new DataSet();
cmd.Fill(ds);
dl.DataSource = ds;
dl.DataBind();

}

register hidden field and its value in code file

Suresh — Fri, 04 Jul 2008 09:21:02 +0000

ClientScript.RegisterHiddenField(

“hd”,pageState.ToString());

where hd is hidden field name and pagestate in numeric variable which contian value

Edit,Update,delete in gridview using Xml file

Suresh — Fri, 04 Jul 2008 08:57:03 +0000

OnPageIndexChanging=”pageddata” OnRowDeleting=”Deletedata”
OnRowUpdating=”Updatedata” OnRowCancelingEdit=”Canceldata” AllowPaging=”True”
AutoGenerateColumns=False PageSize=”3″ CellPadding=”4″ ForeColor=”#333333″
GridLines=”None”>

’>

’>

’>

’>

’>

’>

’>

’>

onclick=”insert” />

codefile//////////

protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
binddata();
}
}
void binddata()
{
DataSet ds = new DataSet();
ds.ReadXml(Server.MapPath(”empdata.xml”));
gv.DataSource = ds;
gv.DataBind();
}
protected void Editdata(object s, GridViewEditEventArgs e)
{
gv.EditIndex = e.NewEditIndex;
binddata();
}
protected void Deletedata(object s, GridViewDeleteEventArgs e)
{
binddata();
DataSet ds= gv.DataSource as DataSet;
ds.Tables[0].Rows[gv.Rows[e.RowIndex].DataItemIndex].Delete();
ds.WriteXml(Server.MapPath(”empdata.xml”));
binddata ();
}
protected void Canceldata(object s, GridViewCancelEditEventArgs e)
{
gv.EditIndex = -1;
binddata();
}
protected void Updatedata(object s, GridViewUpdateEventArgs e)
{

int i = e.RowIndex;
string id=(gv.Rows[e.RowIndex].FindControl(”txtid”) as TextBox).Text;
string name=(gv.Rows[e.RowIndex].FindControl(”txtname”) as TextBox).Text;
string city=(gv.Rows[e.RowIndex].FindControl(”txtcity”) as TextBox).Text;
string salary=(gv.Rows[e.RowIndex].FindControl(”txtsalary”) as TextBox).Text;
gv.EditIndex = -1;
binddata();
DataSet ds =(DataSet) gv.DataSource;
ds.Tables[0].Rows[i]["empid"] = id;
ds.Tables[0].Rows[i]["empname"] = name;
ds.Tables[0].Rows[i]["empcity"] = city;
ds.Tables[0].Rows[i]["empsalary"] = salary;
ds.WriteXml(Server.MapPath(”empdata.xml”));
binddata();
}
protected void pageddata(object s, GridViewPageEventArgs e)
{
gv.PageIndex = e.NewPageIndex;
binddata();
}

protected void insert(object sender, EventArgs e)
{
binddata();
DataSet ds = gv.DataSource as DataSet;
DataRow dr = ds.Tables[0].NewRow();
dr[0] = empId.Text;
dr[1] = empName.Text;
dr[2] = empcity.Text;
dr[3] = empsalary.Text;
ds.Tables[0].Rows.Add(dr);
ds.AcceptChanges();
ds.WriteXml(Server.MapPath(”empdata.xml”));
binddata();
empId.Text = string.Empty;
empcity.Text = string.Empty;
empName.Text = string.Empty;
empsalary.Text = string.Empty;
}

Set dropdownlist value from querystring in javascript

Suresh — Thu, 03 Jul 2008 12:34:10 +0000

Display Rss data througth Javascript

Suresh — Tue, 01 Jul 2008 11:15:36 +0000

function displayRSS(url)

{var xmlhttp=GetXmlHttpObject();

if(xmlHttp==null)

{return;}

xmlHttp.open(“GET”,url,true);

xmlHttp.onreadystatechange=getRssFormat;

xmlHttp.send(null);

}

function getRssFormat()

{if(xmlHttp.readyState==4)

{if(xmlHttp.status != 200)

{

document.getElementById(“rss”).innerHTML= “

Sorry….

The Server did not return any results (Result code: 200)

Please try again

Sorry for the Inconvenience”;

}

else{

var items_count=3;

link=new Array(), title=new Array(), pubDate=new Array()

for(var i=0; i

if(items.getElementsByTagName(‘item’)[i].getElementsByTagName(‘link’).length==1)

link[i]=items.getElementsByTagName(‘item’)[i].getElementsByTagName(‘link’)[0];

if(items.getElementsByTagName(‘item’)[i].getElementsByTagName(‘title’).length==1)

title[i]=items.getElementsByTagName(‘item’)[i].getElementsByTagName(‘title’)[0];

if(items.getElementsByTagName(‘item’)[i].getElementsByTagName(‘pubDate’).length==1)

pubDate[i]=getDateFormat(items.getElementsByTagName(‘item’)[i].getElementsByTagName(‘pubDate’)

[0].firstChild.nodeValue);

}

if(title.length==0)

return false;

var ws=/\S/;

ul = document.createElement(“ul”);

var mydiv = document.getElementById(“rss”);

mydiv.appendChild(ul);

for(var i=0; i

var title_w, link_w, pubDate_w;

title_w=(title.length>0)?title[i].firstChild.nodeValue:“Untitled”;

link_w=(link.length>0)?link[i].firstChild.nodeValue:“”;

pubDate_w=pubDate[i];

litag = document.createElement(“li”);

linktag =document.createElement(“a”);

linktag.setAttribute(“href”,link_w);

linktag.appendChild(document.createTextNode(title_w + ” (” + pubDate_w + “)”));

litag.appendChild(linktag);

ul.appendChild(litag);

}}}

if(xmlHttp.readyState==1 || xmlHttp.readyState==2 || xmlHttp.readyState==3)

{document.getElementById(“rss”).innerHTML=‘Please Wait….’;

}}

creating Xml data in asp.net

Suresh — Sat, 28 Jun 2008 13:00:42 +0000

protected void Page_Load(object sender, EventArgs e)
    {
        Response.ContentType = “text/Xml”;
        int vid = Convert.ToInt32(Request.QueryString["vid"]);
        SqlConnection con = new SqlConnection( ConfigurationManager.
        ConnectionStrings["connect"].ConnectionString);
        SqlDataAdapter cmd = new SqlDataAdapter(”select vedioname,vediourl,vediodesc from vedio where vedioid=@vid”, con);
        cmd.SelectCommand.Parameters.Add(”@vid”, SqlDbType.Int).Value =vid;
        cmd.SelectCommand.CommandType = CommandType.Text;
        DataSet ds = new DataSet();
        cmd.Fill(ds, “root”);
        String s = ds.GetXml();

        Response.Write(s);
        Response.End();

}

Get web control value through javascript

Suresh — Sat, 28 Jun 2008 06:44:00 +0000