ZHJA_HJGL/HJGL_ZH/FineUIPro.Web/HJGL/Match/Storage.aspx.cs

namespace FineUIPro.Web.HJGL.Match
{
    using System;
    using System.Collections.Generic;
    using System.Data;
    using System.Data.SqlClient;
    using System.Text;
    using BLL;
    using AspNet = System.Web.UI.WebControls;

    /// <summary>
    /// 库存
    /// </summary>
    public partial class Storage : PageBase
    {
        /// <summary>
        /// 加载页面
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {           
            if (!IsPostBack)
            {                              
                this.ddlPageSize.SelectedValue = Grid1.PageSize.ToString();
                // 绑定表格
                this.BindGrid();
            }
        }

        #region 绑定GV数据
        /// <summary>
        /// 绑定数据
        /// </summary>
        private void BindGrid()
        {
            string strSql = @"SELECT  Storage.StorageId,Storage.ProjectId,Storage.MaterialId,ISNULL(Storage.InCount,0) AS InCount,ISNULL(Storage.OutCount,0) AS OutCount"
                          + @" ,(ISNULL(Storage.InCount,0) -ISNULL(Storage.OutCount,0)) AS StorageCount,Material.Code,Material.Name,Material.Standard,Material.UNIT,Material.SteelName"
                          + @" FROM dbo.HJGL_Match_Storage AS Storage"
                          + @" LEFT JOIN dbo.HJGL_Match_Material AS Material ON Storage.MaterialId =Material.MaterialId"
                          + @" WHERE Storage.ProjectId='" + this.CurrUser.LoginProjectId + "'";
            List<SqlParameter> listStr = new List<SqlParameter>();
            if (!string.IsNullOrEmpty(this.txtCode.Text.Trim()))
            {
                strSql += " AND Code LIKE @Code";
                listStr.Add(new SqlParameter("@Code", "%" + this.txtCode.Text.Trim() + "%"));
            }
            if (!string.IsNullOrEmpty(this.txtName.Text.Trim()))
            {
                strSql += " AND Name LIKE @Name";
                listStr.Add(new SqlParameter("@Name", "%" + this.txtName.Text.Trim() + "%"));
            }
            if (!string.IsNullOrEmpty(this.txtStandard.Text.Trim()))
            {
                strSql += " AND Standard LIKE @Standard";
                listStr.Add(new SqlParameter("@Standard", "%" + this.txtStandard.Text.Trim() + "%"));
            }

            SqlParameter[] parameter = listStr.ToArray();
            DataTable tb = SQLHelper.GetDataTableRunText(strSql, parameter);

            // 2.获取当前分页数据
            //var table = this.GetPagedDataTable(Grid1, tb1);
            Grid1.RecordCount = tb.Rows.Count;
            tb = GetFilteredTable(Grid1.FilteredData, tb);
            var table = this.GetPagedDataTable(Grid1, tb);

            Grid1.DataSource = table;
            Grid1.DataBind();
        }
        #endregion

        #region 文本框查询事件
        /// <summary>
        /// 查询
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void TextBox_TextChanged(object sender, EventArgs e)
        {
            this.BindGrid();
        }
        #endregion
        
        #region GV分页排序
        /// <summary>
        /// 分页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
        {
            BindGrid();
        }
        
        /// <summary>
        /// 排序
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_Sort(object sender, GridSortEventArgs e)
        {
            BindGrid();
        }


        /// <summary>
        /// 分页显示条数下拉框
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {
            Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
            BindGrid();
        }
        #endregion

        #region 导出按钮
        /// 导出按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnOut_Click(object sender, EventArgs e)
        {
            Response.ClearContent();
            string filename = Funs.GetNewFileName();
            Response.AddHeader("content-disposition", "attachment; filename=" + System.Web.HttpUtility.UrlEncode("库存" + filename, System.Text.Encoding.UTF8) + ".xls");
            Response.ContentType = "application/excel";
            Response.ContentEncoding = System.Text.Encoding.UTF8;
            this.Grid1.PageSize = 100000;
            this.BindGrid();
            Response.Write(GetGridTableHtml(Grid1));
            Response.End();
        }

        /// <summary>
        /// 导出方法
        /// </summary>
        /// <param name="grid"></param>
        /// <returns></returns>
        private string GetGridTableHtml(Grid grid)
        {
            StringBuilder sb = new StringBuilder();
            sb.Append("<meta http-equiv=\"content-type\" content=\"application/excel; charset=UTF-8\"/>");
            sb.Append("<table cellspacing=\"0\" rules=\"all\" border=\"1\" style=\"border-collapse:collapse;\">");
            sb.Append("<tr>");
            foreach (GridColumn column in grid.Columns)
            {
                sb.AppendFormat("<td>{0}</td>", column.HeaderText);
            }
            sb.Append("</tr>");
            foreach (GridRow row in grid.Rows)
            {
                sb.Append("<tr>");
                foreach (GridColumn column in grid.Columns)
                {
                    string html = row.Values[column.ColumnIndex].ToString();
                    if (column.ColumnID == "tfNumber")
                    {
                        html = (row.FindControl("lblNumber") as AspNet.Label).Text;
                    }
                    sb.AppendFormat("<td>{0}</td>", html);
                }

                sb.Append("</tr>");
            }

            sb.Append("</table>");

            return sb.ToString();
        }
        #endregion                
    }
}