Report Viewer, Visible

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ASP.NET

<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="確定" />

    <asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>

    <rsweb:ReportViewer ID="ReportViewer1"  runat="server" Font-Names="Verdana" 
        Font-Size="8pt" InteractiveDeviceInfos="(Collection)"
        WaitMessageFont-Names="Verdana" WaitMessageFont-Size="14pt" Width="800px" 
        Height="600px" Visible="false">
        <LocalReport ReportPath="rdlc\absent_form.rdlc">
        </LocalReport>
    </rsweb:ReportViewer>

C#

protected void Button1_Click(object sender, EventArgs e)
    {
        var conString = ConfigurationManager.ConnectionStrings["ConnectionString"];
        string strConnString = conString.ConnectionString;
        SqlConnection conn = new SqlConnection();

        using (conn = new SqlConnection(strConnString))
        {
            if (conn.State != ConnectionState.Open)
            {
                conn.Open();
            }


            ReportViewer1.Visible = true;
        }

Here's i get problem, I set the reportviewer's visible as false in the beginning, when the user press the button, then it will turn to true, but however it doesn;t work. May i know if there anything i get mistakes. Please help....

Posted 9-Feb-12 21:35pm

tomy_hkcg

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2 solutions

Solution 3

Do not set Visible="false" in HTML.

Instead of that set Report Body visibility on Page Load and make it visible on button click event as shown below:

On Page Load

C#

ReportViewer1.ShowReportBody = false;

On Button Click

C#

ReportViewer1.ShowReportBody = true;

VB

<rsweb:ReportViewer ID="ReportViewer1"  runat="server" Font-Names="Verdana"
       Font-Size="8pt" InteractiveDeviceInfos="(Collection)"
       WaitMessageFont-Names="Verdana" WaitMessageFont-Size="14pt" Width="800px"
       Height="600px">

Posted 9-Oct-15 2:10am

Mohit_Patel

Updated 9-Oct-15 2:11am

v2

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uspatel · Accepted Answer · 2012-02-09T22:28:00

Solution 2

on Page load

C#

reportViewer1.Visible="false"

and on Button Click

C#

ReportViewer1.Visible = true;

VB

<rsweb:ReportViewer ID="ReportViewer1"  runat="server" Font-Names="Verdana"
       Font-Size="8pt" InteractiveDeviceInfos="(Collection)"
       WaitMessageFont-Names="Verdana" WaitMessageFont-Size="14pt" Width="800px"
       Height="600px">

Posted 9-Feb-12 22:28pm

uspatel

Comments

Mohit_Patel 9-Oct-15 7:58am

This is wrong answer.
Visible is always expecting bool (either true or false).
If you do reportViewer1.Visible="false" then it will give you an error.

I am facing the same visibility issue and will post a solution if have anything which works properly.