showing data on google map as per searching needs?

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I have a google map project which is showing every added Event on the map in the evnet database but i need to show the events when users filter it by the Chif guest or country or by category.......plz help me???

Posted 28-Nov-13 0:18am

S.M.Arsalan

Updated 28-Nov-13 0:23am

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Comments

TrushnaK 28-Nov-13 6:36am

Information is not enough. improve your question what you want exactly.

S.M.Arsalan 28-Nov-13 6:54am

please review a solution i am using

ExpertITM 28-Nov-13 6:36am

Just select filter records from db..and do same as for all records

S.M.Arsalan 28-Nov-13 6:54am

please review a solution i am using

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S.M.Arsalan · Answer 1 · 2013-11-28T00:42:00

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using ClassLibrary1;

public partial class _Default : System.Web.UI.Page
{Class1 cl=new Class1();
protected void Page_Load(object sender, EventArgs e)
{
}
// This method is used to convert datatable to json string
public string ConvertDataTabletoString()
{
DataTable dt = new DataTable();
using (SqlConnection con = new SqlConnection("Data Source=arsalan\\sqlexpress;Initial Catalog=FindEvent;Integrated Security=true"))
{
using (SqlCommand cmd = new SqlCommand("select lat=latitude,lng=longitude,ename=eventName,chiefguest fron Event", con))
{

con.Open();
SqlDataAdapter da = new SqlDataAdapter(cmd);

da.Fill(dt);
System.Web.Script.Serialization.JavaScriptSerializer serializer = new System.Web.Script.Serialization.JavaScriptSerializer();
List<dictionary><string,>> rows = new List<dictionary><string,>>();
Dictionary<string,> row;
foreach (DataRow dr in dt.Rows)
{
row = new Dictionary<string,>();
foreach (DataColumn col in dt.Columns)
{
row.Add(col.ColumnName, dr[col]);
}
rows.Add(row);
}
return serializer.Serialize(rows);
}
}
}
protected void Button3_Click(object sender, EventArgs e)
{
if (DropDownList6.SelectedItem.Text == "By Country")
{
DropDownList3.DataSource = cl.showCountry();
DropDownList3.DataValueField = "C_ID";
DropDownList3.DataTextField = "C_Name";
DropDownList3.DataBind();
}
else if (DropDownList6.SelectedItem.Text == "By Category")
{
DropDownList3.DataSource = cl.showcategory();
DropDownList3.DataValueField = "C_ID";
DropDownList3.DataTextField = "C_Name";
DropDownList3.DataBind();
}
else
{
DropDownList3.DataSource = cl.showarea();
DropDownList3.DataValueField = "A_ID";
DropDownList3.DataTextField = "A_Name";
DropDownList3.DataBind();
}
}
protected void Button4_Click(object sender, EventArgs e)
{
{
if (DropDownList6.SelectedItem.Text == "By Country")
{
GridView1.DataSource = cl.countryID(Convert.ToInt16(DropDownList3.SelectedValue));
GridView1.DataBind();
}
else if (DropDownList6.SelectedItem.Text == "By Category")
{
GridView1.DataSource = cl.categoryID(Convert.ToInt16(DropDownList3.SelectedValue));
GridView1.DataBind();
}
else
{
GridView1.DataSource = cl.areaID(Convert.ToInt16(DropDownList3.SelectedValue));
GridView1.DataBind();
}
}
}
}

}