Dotnet Programing: 2013

Tuesday, December 10, 2013

Call Jquery function from code behind

Below are the code for calling jquery function from asp.net code behind

protected void Button_Click(object sender, EventArgs e)

{

string myScriptValue = "$(document).ready(function(){"+

"your jquery code here”+

"}); ";

ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "myScriptName", myScriptValue, true);

}

Print image from javascript

The below are the javascript function for print the image

function printImage() {

var image = document.getElementById('imageControl');

var printWindow = window.open('', 'Print Window', 'height=400,width=600');

printWindow.document.write('<html><head><title>Print Window</title>');

printWindow.document.write('</head><body ><img src=\'');

printWindow.document.write(image.src);

printWindow.document.write('\' /></body></html>');

printWindow.document.close();

printWindow.print();

}

</script>

Call the javascript function from below code

</a>

Sunday, December 8, 2013

Add string to databound field

ImageUrl='<%# string.Format("img/{0}",Eval("images"))%>'

Tuesday, December 3, 2013

Add first row at combo box

first row of combo box to be "SELECT"

SELECT id, Country FROM Country_MASTER

UNION SELECT -1, ' -SELECT-'

ORDER BY Country

Call/Invoke or consume webservice with parameter

Create a method in your webservice

[WebMethod]

public void Save(string id,string Name,string Age,string Mob) {

SqlCommand cmd = new SqlCommand();

cmd.Parameters.AddWithValue("@ID", id)

cmd.Parameters.AddWithValue("@name", Name);

cmd.Parameters.AddWithValue("@age", Age);

cmd.Parameters.AddWithValue("@mob", Mob);

cmd.CommandText = "Pro_SaveData";

cmd.CommandType = CommandType.StoredProcedure;

ExecuteNonQuery(cmd);

}

Call the webservice in your code behind

string id = txtid.text;

string Name = txtname.text;

string age = txtage.text;

string mob = txtmob.text;

string URLAuth = "http://localhost/wsSave.asmx/Save";

string postString = string.Format("id=" + id + "&Name=" + Name + "&age=" + age + "&mob=" + mob);

const string contentType = "application/x-www-form-urlencoded";

System.Net.ServicePointManager.Expect100Continue = false;

CookieContainer cookies = new CookieContainer();

HttpWebRequest webRequest = WebRequest.Create(URLAuth) as HttpWebRequest;

webRequest.Method = "POST";

webRequest.ContentType = contentType;

webRequest.CookieContainer = cookies;

webRequest.ContentLength = postString.Length;

webRequest.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.1) Gecko/2008070208 Firefox/3.0.1";

webRequest.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";

StreamWriter requestWriter = new StreamWriter(webRequest.GetRequestStream());

requestWriter.Write(postString);

requestWriter.Close();

StreamReader responseReader = new StreamReader(webRequest.GetResponse().GetResponseStream());

string responseData = responseReader.ReadToEnd();

responseReader.Close();

webRequest.GetResponse().Close();

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