Answer / sathish

protected void ddlcity_SelectedIndexChanged(object sender,
EventArgs e)
{
sqlConnection con= new sqlConnection(" ");
string str="select * from table where city ='" +
ddlcity.SelectItem.Text ="'";
sqlDataAdapter da= new slqDataAdapter(str,con)
dataset ds = new dataset;
da.fill(ds,"City");
dgview.datasource=ds.tables["City"];
dgview.dataBind();
}

Answer / sathish

On select change event of the list box use the following code.

Dim con as new sqlconn("connectionstring")
con.open()
dim da as sqlda("select * from table where cityname=" &
listbox1.selecteditem)
dim ds as new dataset
da.fill(ds)

Answer / yogaraj i

protected void ddlcity_SelectedIndexChanged(object sender,
EventArgs e)
{
if (ddlcity.SelectedValue == "Any of the city name")
{
DataSet ds = GetUserInfo();
GridviewCitycity.DataSource = ds;
GridviewCity.DataBind();
}
}

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