change background color on swift code example

Example 1: give background color swiftui

Color.blue.edgesIgnoringSafeArea(.all)

Example 2: c# datafield change cell background color

<%@ Page Language="C#" AutoEventWireup="true"%>
<%@ Import Namespace="System" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.Sql" %>
<%@ Import Namespace="System.Drawing" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
    protected void Page_Load(object sender, EventArgs e)
    {
        //Doing the binding when the page is loading for the first time (not on postbacks)
        if (!IsPostBack)
        {
            //Test datasource (Creating a datatable with 10 columns. Then adding 3 rows. cell indeces are 0 based.)

            DataTable dt = new DataTable();

            DataColumn dc1 = new DataColumn("col1");
            DataColumn dc2 = new DataColumn("col2");
            DataColumn dc3 = new DataColumn("col3");
            DataColumn dc4 = new DataColumn("col4");
            DataColumn dc5 = new DataColumn("col5");
            DataColumn dc6 = new DataColumn("col6");
            DataColumn dc7 = new DataColumn("col7");
            DataColumn dc8 = new DataColumn("col8");
            DataColumn dc9 = new DataColumn("col9");
            DataColumn dc10 = new DataColumn("col10");

            dt.Columns.Add(dc1);
            dt.Columns.Add(dc2);
            dt.Columns.Add(dc3);
            dt.Columns.Add(dc4);
            dt.Columns.Add(dc5);
            dt.Columns.Add(dc6);
            dt.Columns.Add(dc7);
            dt.Columns.Add(dc8);
            dt.Columns.Add(dc9);
            dt.Columns.Add(dc10);

            //Second row index 9 has "Missing" as the text
            dt.Rows.Add(new object[] { "cell1", "cell2", "cell3", "cell4", "cell5", "cell6", "cell7", "cell8", "cell9", "cell10" });
            dt.Rows.Add(new object[] { "cell1", "cell2", "cell3", "cell4", "cell5", "cell6", "cell7", "cell8", "cell9", "Missing" });
            dt.Rows.Add(new object[] { "cell1", "cell2", "cell3", "cell4", "cell5", "cell6", "cell7", "cell8", "cell9", "cell10" });

            //Set datasource. Then bind it. (here the grid is using auto generated columns)
            SYSGrid.DataSource = dt;
            SYSGrid.DataBind();
        }
    }

    protected void SYSGrid_RowDataBound(object sender, GridViewRowEventArgs e)    
    {
       if (e.Row.RowType == DataControlRowType.DataRow)
       {
          if (e.Row.Cells[9].Text == "Missing")
          {
              e.Row.Cells[9].BackColor = Color.Red;
              e.Row.Cells[9].ForeColor = Color.White;
           }
        }
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>    
        <asp:gridview runat="server" ID="SYSGrid" OnRowDataBound="SYSGrid_RowDataBound"></asp:gridview>
    </div>
    </form>
</body>
</html>

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