CheckBox control is not working in GridView ASP.net

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C#

protected void Button1_Click(object sender, EventArgs e)
    {
        for (int i = 0; i < GridView1.Rows.Count;i++ )
        {
            bool isChecked = ((CheckBox)GridView1.Rows[i].FindControl("CheckBox1")).Checked;
            if (isChecked)
            {
                Response.Write("True \t");
            }
            else
            {
                Response.Write("False \t");
            }
        }
    }

Posted 6-Dec-12 22:07pm

PRAKASH_N

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Kaushik Saha from Kolkata,India · Answer 1 · 2012-12-06T23:18:00

Hi,
It will Help You.
do not fill gridview in page_load
if need filling then use

C#

if(!IsPostBack){//filling code//}

C#

protected void Button1_Click(object sender, EventArgs e)
    {
foreach (GridViewRow di in Gridview1.Rows)
       {
           if (di.RowType == DataControlRowType.DataRow)
           {
               CheckBox cb = (CheckBox)di.FindControl(&quot;CheckBox1&quot;);
               Boolean isChecked = cb.Checked;
               if (isChecked)
               {
                   Response.Write("True \t");
               }
               else
               {
                   Response.Write("False \t");
               }
           }
       }
}

Keep Coding

choudhary.sumit · Answer 2 · 2012-12-06T22:19:00

try this..

C#

bool isChecked=False;

protected void Button1_Click(object sender, EventArgs e)
    {
        for (int i = 0; i &lt; GridView1.Rows.Count;i++ )
        {         isChecked=(CheckBox)GridView1.Rows[i].FindControl(&quot;CheckBox1&quot;)).Checked;
            if (isChecked)
            {
                break;
            }
           
        }
          if (isChecked)
            {
                Response.Write("True \t");
            }
            else
            {
                Response.Write("False \t");
            }
    }

Rajasekaran.D · Answer 3 · 2012-12-06T22:43:00

C#

protected void Button1_Click(object sender, EventArgs e)
    {
       bool isChecked=false;
        foreach(DataRow row in GridView1.Rows)
        {             
            CheckBox CBox=(CheckBox)GridView1.Rows[row].FindControl("CheckBox1");
            if (CBox.Checked)
            {
                isChecked=true;
                break;
            }
          }
          if (isChecked)
            {
                Response.Write("True");
            }
            else
            {
                Response.Write("False");
            }
    }</pre>

CheckBox control is not working in GridView ASP.net

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