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Passing command arguments to a checkbox

, 21 Jun 2010
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Add batch printing functionality to an application
I needed to add batch printing functionality to an application.
I added a Gridview to a page and handled the GridView OnRowDataBound event.
I added a TemplateField ItemTemplate to the Columns collection with a checkbox (to include in batch printing job).
I added a batch print button and handled the OnClick event:
protected void GridView1_OnRowDataBound(object sender, GridViewRowEventArgs e)
        if (e.Row.RowType == DataControlRowType.DataRow)
            if (DataBinder.Eval(e.Row.DataItem, "ApplicantId") != System.DBNull.Value)
                int applicantId = System.Convert.ToInt32(DataBinder.Eval(e.Row.DataItem, "ApplicantId"));
                int applicationId = System.Convert.ToInt32(DataBinder.Eval(e.Row.DataItem, "ApplicationId"));
                CheckBox cbPrint = e.Row.FindControlRecursive<CheckBox>("cbPrint");
                cbPrint.Attributes["CommandArgument"] = string.Format("{0},{1}", applicationId, applicantId);
In the batch print OnClick event, I added:
string[] args = checkbox.Attributes["CommandArgument"].Split(',');
                    if (args.Length == 2)
                        int applicationId, applicantId;
                        int.TryParse(args[0], out applicationId);
                        int.TryParse(args[1], out applicantId);
RAM.OLSA.Services.ApplicationService applicationService = new RAM.OLSA.Services.ApplicationService();
RAM.OLSA.Entities.Application application = applicationService.GetByApplicationIdApplicantId(applicationId, applicantId);


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